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2022-05-03bnxt_en: Fix unnecessary dropping of RX packetsMichael Chan1-0/+4
In bnxt_poll_p5(), we first check cpr->has_more_work. If it is true, we are in NAPI polling mode and we will call __bnxt_poll_cqs() to continue polling. It is possible to exhanust the budget again when __bnxt_poll_cqs() returns. We then enter the main while loop to check for new entries in the NQ. If we had previously exhausted the NAPI budget, we may call __bnxt_poll_work() to process an RX entry with zero budget. This will cause packets to be dropped unnecessarily, thinking that we are in the netpoll path. Fix it by breaking out of the while loop if we need to process an RX NQ entry with no budget left. We will then exit NAPI and stay in polling mode. Fixes: 389a877a3b20 ("bnxt_en: Process the NQ under NAPI continuous polling.") Reviewed-by: Andy Gospodarek <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-03bnxt_en: Initiallize bp->ptp_lock first before using itMichael Chan1-8/+7
bnxt_ptp_init() calls bnxt_ptp_init_rtc() which will acquire the ptp_lock spinlock. The spinlock is not initialized until later. Move the bnxt_ptp_init_rtc() call after the spinlock is initialized. Fixes: 24ac1ecd5240 ("bnxt_en: Add driver support to use Real Time Counter for PTP") Reviewed-by: Pavan Chebbi <[email protected]> Reviewed-by: Saravanan Vajravel <[email protected]> Reviewed-by: Andy Gospodarek <[email protected]> Reviewed-by: Somnath Kotur <[email protected]> Reviewed-by: Damodharam Ammepalli <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-03bnxt_en: Fix possible bnxt_open() failure caused by wrong RFS flagSomnath Kotur1-5/+4
bnxt_open() can fail in this code path, especially on a VF when it fails to reserve default rings: bnxt_open() __bnxt_open_nic() bnxt_clear_int_mode() bnxt_init_dflt_ring_mode() RX rings would be set to 0 when we hit this error path. It is possible for a subsequent bnxt_open() call to potentially succeed with a code path like this: bnxt_open() bnxt_hwrm_if_change() bnxt_fw_init_one() bnxt_fw_init_one_p3() bnxt_set_dflt_rfs() bnxt_rfs_capable() bnxt_hwrm_reserve_rings() On older chips, RFS is capable if we can reserve the number of vnics that is equal to RX rings + 1. But since RX rings is still set to 0 in this code path, we may mistakenly think that RFS is supported for 0 RX rings. Later, when the default RX rings are reserved and we try to enable RFS, it would fail and cause bnxt_open() to fail unnecessarily. We fix this in 2 places. bnxt_rfs_capable() will always return false if RX rings is not yet set. bnxt_init_dflt_ring_mode() will call bnxt_set_dflt_rfs() which will always clear the RFS flags if RFS is not supported. Fixes: 20d7d1c5c9b1 ("bnxt_en: reliably allocate IRQ table on reset to avoid crash") Signed-off-by: Somnath Kotur <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-03smsc911x: allow using IRQ0Sergey Shtylyov1-1/+1
The AlphaProject AP-SH4A-3A/AP-SH4AD-0A SH boards use IRQ0 for their SMSC LAN911x Ethernet chip, so the networking on them must have been broken by commit 965b2aa78fbc ("net/smsc911x: fix irq resource allocation failure") which filtered out 0 as well as the negative error codes -- it was kinda correct at the time, as platform_get_irq() could return 0 on of_irq_get() failure and on the actual 0 in an IRQ resource. This issue was fixed by me (back in 2016!), so we should be able to fix this driver to allow IRQ0 usage again... When merging this to the stable kernels, make sure you also merge commit e330b9a6bb35 ("platform: don't return 0 from platform_get_irq[_byname]() on error") -- that's my fix to platform_get_irq() for the DT platforms... Fixes: 965b2aa78fbc ("net/smsc911x: fix irq resource allocation failure") Signed-off-by: Sergey Shtylyov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-03net: sfp: Add tx-fault workaround for Huawei MA5671A SFP ONTMatthew Hagan1-1/+11
As noted elsewhere, various GPON SFP modules exhibit non-standard TX-fault behaviour. In the tested case, the Huawei MA5671A, when used in combination with a Marvell mv88e6085 switch, was found to persistently assert TX-fault, resulting in the module being disabled. This patch adds a quirk to ignore the SFP_F_TX_FAULT state, allowing the module to function. Change from v1: removal of erroneous return statment (Andrew Lunn) Signed-off-by: Matthew Hagan <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-03Merge tag 'seccomp-v5.18-rc6' of ↵Linus Torvalds1-5/+5
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp selftest fix from Kees Cook: - Avoid using stdin for read syscall testing (Jann Horn) * tag 'seccomp-v5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: Don't call read() on TTY from background pgrp
2022-05-03interconnect: Restore sync state by ignoring ipa-virt in provider countStephen Boyd1-1/+7
Ignore compatible strings for the IPA virt drivers that were removed in commits 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0 interconnects") and 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0 interconnects") so that the sync state logic can kick in again. Otherwise all the interconnects in the system will stay pegged at max speeds because 'providers_count' is always going to be one larger than the number of drivers that will ever probe on sc7180 or sdx55. This fixes suspend on sc7180 and sdx55 devices when you don't have a devicetree patch to remove the ipa-virt compatible node. Cc: Bjorn Andersson <[email protected]> Cc: Doug Anderson <[email protected]> Cc: Alex Elder <[email protected]> Cc: Taniya Das <[email protected]> Cc: Mike Tipton <[email protected]> Fixes: 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0 interconnects") Fixes: 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0 interconnects") Signed-off-by: Stephen Boyd <[email protected]> Reviewed-by: Alex Elder <[email protected]> Reviewed-by: Douglas Anderson <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Georgi Djakov <[email protected]>
2022-05-03Merge tag 'hwmon-for-v5.18-rc6' of ↵Linus Torvalds7-10/+29
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - Work around a hardware problem in the delta-ahe50dc-fan driver - Explicitly disable PEC in PMBus core if not enabled - Fix negative temperature values in f71882fg driver - Fix warning on removal of adt7470 driver - Fix CROSSHAIR VI HERO name in asus_wmi_sensors driver - Fix build warning seen in xdpe12284 driver if CONFIG_SENSORS_XDPE122_REGULATOR is disabled - Fix type of 'ti,n-factor' in ti,tmp421 driver bindings * tag 'hwmon-for-v5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (pmbus) delta-ahe50dc-fan: work around hardware quirk hwmon: (pmbus) disable PEC if not enabled hwmon: (f71882fg) Fix negative temperature dt-bindings: hwmon: ti,tmp421: Fix type for 'ti,n-factor' hwmon: (adt7470) Fix warning on module removal hwmon: (asus_wmi_sensors) Fix CROSSHAIR VI HERO name hwmon: (xdpe12284) Fix build warning seen if CONFIG_SENSORS_XDPE122_REGULATOR is disabled
2022-05-03fbdev: Make fb_release() return -ENODEV if fbdev was unregisteredJavier Martinez Canillas1-1/+4
A reference to the framebuffer device struct fb_info is stored in the file private data, but this reference could no longer be valid and must not be accessed directly. Instead, the file_fb_info() accessor function must be used since it does sanity checking to make sure that the fb_info is valid. This can happen for example if the registered framebuffer device is for a driver that just uses a framebuffer provided by the system firmware. In that case, the fbdev core would unregister the framebuffer device when a real video driver is probed and ask to remove conflicting framebuffers. The bug has been present for a long time but commit 27599aacbaef ("fbdev: Hot-unplug firmware fb devices on forced removal") unmasked it since the fbdev core started unregistering the framebuffers' devices associated. Fixes: 27599aacbaef ("fbdev: Hot-unplug firmware fb devices on forced removal") Reported-by: Maxime Ripard <[email protected]> Reported-by: Junxiao Chang <[email protected]> Signed-off-by: Javier Martinez Canillas <[email protected]> Reviewed-by: Thomas Zimmermann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-05-03hwmon: (tmp401) Add OF device ID tableCamel Guo1-0/+11
This driver doesn't have of_match_table. This makes the kernel module tmp401.ko lack alias patterns (e.g: of:N*T*Cti,tmp411) to match DT node of the supported devices hence this kernel module will not be automatically loaded. After adding of_match_table to this driver, the folllowing alias will be added into tmp401.ko. $ modinfo drivers/hwmon/tmp401.ko filename: drivers/hwmon/tmp401.ko ...... author: Hans de Goede <[email protected]> alias: of:N*T*Cti,tmp435C* alias: of:N*T*Cti,tmp435 alias: of:N*T*Cti,tmp432C* alias: of:N*T*Cti,tmp432 alias: of:N*T*Cti,tmp431C* alias: of:N*T*Cti,tmp431 alias: of:N*T*Cti,tmp411C* alias: of:N*T*Cti,tmp411 alias: of:N*T*Cti,tmp401C* alias: of:N*T*Cti,tmp401 ...... Fixes: af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF") Signed-off-by: Camel Guo <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]>
2022-05-03KVM: s390: vsie/gmap: reduce gmap_rmap overheadChristian Borntraeger1-0/+7
there are cases that trigger a 2nd shadow event for the same vmaddr/raddr combination. (prefix changes, reboots, some known races) This will increase memory usages and it will result in long latencies when cleaning up, e.g. on shutdown. To avoid cases with a list that has hundreds of identical raddrs we check existing entries at insert time. As this measurably reduces the list length this will be faster than traversing the list at shutdown time. In the long run several places will be optimized to create less entries and a shrinker might be necessary. Fixes: 4be130a08420 ("s390/mm: add shadow gmap support") Signed-off-by: Christian Borntraeger <[email protected]> Acked-by: David Hildenbrand <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Heiko Carstens <[email protected]>
2022-05-03Merge branch 'kvm-amd-pmu-fixes' into HEADPaolo Bonzini2-3/+30
2022-05-03kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMUSandipan Das1-0/+5
On some x86 processors, CPUID leaf 0xA provides information on Architectural Performance Monitoring features. It advertises a PMU version which Qemu uses to determine the availability of additional MSRs to manage the PMCs. Upon receiving a KVM_GET_SUPPORTED_CPUID ioctl request for the same, the kernel constructs return values based on the x86_pmu_capability irrespective of the vendor. This leaf and the additional MSRs are not supported on AMD and Hygon processors. If AMD PerfMonV2 is detected, the PMU version is set to 2 and guest startup breaks because of an attempt to access a non-existent MSR. Return zeros to avoid this. Fixes: a6c06ed1a60a ("KVM: Expose the architectural performance monitoring CPUID leaf") Reported-by: Vasant Hegde <[email protected]> Signed-off-by: Sandipan Das <[email protected]> Message-Id: <3fef83d9c2b2f7516e8ff50d60851f29a4bcb716.1651058600.git.sandipan.das@amd.com> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-03KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_idKyle Huey1-3/+25
Zen renumbered some of the performance counters that correspond to the well known events in perf_hw_id. This code in KVM was never updated for that, so guest that attempt to use counters on Zen that correspond to the pre-Zen perf_hw_id values will silently receive the wrong values. This has been observed in the wild with rr[0] when running in Zen 3 guests. rr uses the retired conditional branch counter 00d1 which is incorrectly recognized by KVM as PERF_COUNT_HW_STALLED_CYCLES_BACKEND. [0] https://rr-project.org/ Signed-off-by: Kyle Huey <[email protected]> Message-Id: <[email protected]> Cc: [email protected] [Check guest family, not host. - Paolo] Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-03Merge branch 'kvm-tdp-mmu-atomicity-fix' into HEADPaolo Bonzini5-61/+121
We are dropping A/D bits (and W bits) in the TDP MMU. Even if mmu_lock is held for write, as volatile SPTEs can be written by other tasks/vCPUs outside of mmu_lock. Attempting to prove that bug exposed another notable goof, which has been lurking for a decade, give or take: KVM treats _all_ MMU-writable SPTEs as volatile, even though KVM never clears WRITABLE outside of MMU lock. As a result, the legacy MMU (and the TDP MMU if not fixed) uses XCHG to update writable SPTEs. The fix does not seem to have an easily-measurable affect on performance; page faults are so slow that wasting even a few hundred cycles is dwarfed by the base cost.
2022-05-03net: rds: acquire refcount on TCP socketsTetsuo Handa1-0/+8
syzbot is reporting use-after-free read in tcp_retransmit_timer() [1], for TCP socket used by RDS is accessing sock_net() without acquiring a refcount on net namespace. Since TCP's retransmission can happen after a process which created net namespace terminated, we need to explicitly acquire a refcount. Link: https://syzkaller.appspot.com/bug?extid=694120e1002c117747ed [1] Reported-by: syzbot <[email protected]> Fixes: 26abe14379f8e2fa ("net: Modify sk_alloc to not reference count the netns of kernel sockets.") Fixes: 8a68173691f03661 ("net: sk_clone_lock() should only do get_net() if the parent is not a kernel socket") Signed-off-by: Tetsuo Handa <[email protected]> Tested-by: syzbot <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03KVM: x86/mmu: Use atomic XCHG to write TDP MMU SPTEs with volatile bitsSean Christopherson2-31/+85
Use an atomic XCHG to write TDP MMU SPTEs that have volatile bits, even if mmu_lock is held for write, as volatile SPTEs can be written by other tasks/vCPUs outside of mmu_lock. If a vCPU uses the to-be-modified SPTE to write a page, the CPU can cache the translation as WRITABLE in the TLB despite it being seen by KVM as !WRITABLE, and/or KVM can clobber the Accessed/Dirty bits and not properly tag the backing page. Exempt non-leaf SPTEs from atomic updates as KVM itself doesn't modify non-leaf SPTEs without holding mmu_lock, they do not have Dirty bits, and KVM doesn't consume the Accessed bit of non-leaf SPTEs. Dropping the Dirty and/or Writable bits is most problematic for dirty logging, as doing so can result in a missed TLB flush and eventually a missed dirty page. In the unlikely event that the only dirty page(s) is a clobbered SPTE, clear_dirty_gfn_range() will see the SPTE as not dirty (based on the Dirty or Writable bit depending on the method) and so not update the SPTE and ultimately not flush. If the SPTE is cached in the TLB as writable before it is clobbered, the guest can continue writing the associated page without ever taking a write-protect fault. For most (all?) file back memory, dropping the Dirty bit is a non-issue. The primary MMU write-protects its PTEs on writeback, i.e. KVM's dirty bit is effectively ignored because the primary MMU will mark that page dirty when the write-protection is lifted, e.g. when KVM faults the page back in for write. The Accessed bit is a complete non-issue. Aside from being unused for non-leaf SPTEs, KVM doesn't do a TLB flush when aging SPTEs, i.e. the Accessed bit may be dropped anyways. Lastly, the Writable bit is also problematic as an extension of the Dirty bit, as KVM (correctly) treats the Dirty bit as volatile iff the SPTE is !DIRTY && WRITABLE. If KVM fixes an MMU-writable, but !WRITABLE, SPTE out of mmu_lock, then it can allow the CPU to set the Dirty bit despite the SPTE being !WRITABLE when it is checked by KVM. But that all depends on the Dirty bit being problematic in the first place. Fixes: 2f2fad0897cb ("kvm: x86/mmu: Add functions to handle changed TDP SPTEs") Cc: [email protected] Cc: Ben Gardon <[email protected]> Cc: David Matlack <[email protected]> Cc: Venkatesh Srinivas <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-03KVM: x86/mmu: Move shadow-present check out of spte_has_volatile_bits()Sean Christopherson3-27/+32
Move the is_shadow_present_pte() check out of spte_has_volatile_bits() and into its callers. Well, caller, since only one of its two callers doesn't already do the shadow-present check. Opportunistically move the helper to spte.c/h so that it can be used by the TDP MMU, which is also the primary motivation for the shadow-present change. Unlike the legacy MMU, the TDP MMU uses a single path for clear leaf and non-leaf SPTEs, and to avoid unnecessary atomic updates, the TDP MMU will need to check is_last_spte() prior to calling spte_has_volatile_bits(), and calling is_last_spte() without first calling is_shadow_present_spte() is at best odd, and at worst a violation of KVM's loosely defines SPTE rules. Note, mmu_spte_clear_track_bits() could likely skip the write entirely for SPTEs that are not shadow-present. Leave that cleanup for a future patch to avoid introducing a functional change, and because the shadow-present check can likely be moved further up the stack, e.g. drop_large_spte() appears to be the only path that doesn't already explicitly check for a shadow-present SPTE. No functional change intended. Cc: [email protected] Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-03KVM: x86/mmu: Don't treat fully writable SPTEs as volatile (modulo A/D)Sean Christopherson2-9/+10
Don't treat SPTEs that are truly writable, i.e. writable in hardware, as being volatile (unless they're volatile for other reasons, e.g. A/D bits). KVM _sets_ the WRITABLE bit out of mmu_lock, but never _clears_ the bit out of mmu_lock, so if the WRITABLE bit is set, it cannot magically get cleared just because the SPTE is MMU-writable. Rename the wrapper of MMU-writable to be more literal, the previous name of spte_can_locklessly_be_made_writable() is wrong and misleading. Fixes: c7ba5b48cc8d ("KVM: MMU: fast path of handling guest page fault") Cc: [email protected] Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-03selftests/net: so_txtime: usage(): fix documentation of default clockMarc Kleine-Budde1-1/+1
The program uses CLOCK_TAI as default clock since it was added to the Linux repo. In commit: | 040806343bb4 ("selftests/net: so_txtime multi-host support") a help text stating the wrong default clock was added. This patch fixes the help text. Fixes: 040806343bb4 ("selftests/net: so_txtime multi-host support") Cc: Carlos Llamas <[email protected]> Cc: Willem de Bruijn <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]> Acked-by: Willem de Bruijn <[email protected]> Reviewed-by: Carlos Llamas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03selftests/net: so_txtime: fix parsing of start time stamp on 32 bit systemsMarc Kleine-Budde1-1/+1
This patch fixes the parsing of the cmd line supplied start time on 32 bit systems. A "long" on 32 bit systems is only 32 bit wide and cannot hold a timestamp in nano second resolution. Fixes: 040806343bb4 ("selftests/net: so_txtime multi-host support") Cc: Carlos Llamas <[email protected]> Cc: Willem de Bruijn <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]> Acked-by: Willem de Bruijn <[email protected]> Reviewed-by: Carlos Llamas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03selftests: mirror_gre_bridge_1q: Avoid changing PVID while interface is ↵Ido Schimmel1-0/+3
operational In emulated environments, the bridge ports enslaved to br1 get a carrier before changing br1's PVID. This means that by the time the PVID is changed, br1 is already operational and configured with an IPv6 link-local address. When the test is run with netdevs registered by mlxsw, changing the PVID is vetoed, as changing the VID associated with an existing L3 interface is forbidden. This restriction is similar to the 8021q driver's restriction of changing the VID of an existing interface. Fix this by taking br1 down and bringing it back up when it is fully configured. With this fix, the test reliably passes on top of both the SW and HW data paths (emulated or not). Fixes: 239e754af854 ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1q") Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Petr Machata <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03Merge branch 'emaclite-improve-error-handling-and-minor-cleanup'Paolo Abeni1-18/+12
Radhey Shyam Pandey says: ==================== emaclite: improve error handling and minor cleanup This patchset does error handling for of_address_to_resource() and also removes "Don't advertise 1000BASE-T" and auto negotiation. Changes for v3: - Resolve git apply conflicts for 2/2 patch. Changes for v2: - Added Andrew's reviewed by tag in 1/2 patch. - Move ret to down to align with reverse xmas tree style in 2/2 patch. - Also add fixes tag in 2/2 patch. - Specify tree name in subject prefix. ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03net: emaclite: Add error handling for of_address_to_resource()Shravya Kumbham1-3/+12
check the return value of of_address_to_resource() and also add missing of_node_put() for np and npp nodes. Fixes: e0a3bc65448c ("net: emaclite: Support multiple phys connected to one MDIO bus") Addresses-Coverity: Event check_return value. Signed-off-by: Shravya Kumbham <[email protected]> Signed-off-by: Radhey Shyam Pandey <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2022-05-03net: emaclite: Don't advertise 1000BASE-T and do auto negotiationShravya Kumbham1-15/+0
In xemaclite_open() function we are setting the max speed of emaclite to 100Mb using phy_set_max_speed() function so, there is no need to write the advertising registers to stop giga-bit speed and the phy_start() function starts the auto-negotiation so, there is no need to handle it separately using advertising registers. Remove the phy_read and phy_write of advertising registers in xemaclite_open() function. Signed-off-by: Shravya Kumbham <[email protected]> Signed-off-by: Radhey Shyam Pandey <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2022-05-02scsi: qla2xxx: Fix missed DMA unmap for aborted commandsGleb Chesnokov1-0/+3
Aborting commands that have already been sent to the firmware can cause BUG in qlt_free_cmd(): BUG_ON(cmd->sg_mapped) For instance: - Command passes rdx_to_xfer state, maps sgl, sends to the firmware - Reset occurs, qla2xxx performs ISP error recovery, aborts the command - Target stack calls qlt_abort_cmd() and then qlt_free_cmd() - BUG_ON(cmd->sg_mapped) in qlt_free_cmd() occurs because sgl was not unmapped Thus, unmap sgl in qlt_abort_cmd() for commands with the aborted flag set. Link: https://lore.kernel.org/r/AS8PR10MB4952D545F84B6B1DFD39EC1E9DEE9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Gleb Chesnokov <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: scsi_dh_alua: Properly handle the ALUA transitioning stateBrian Bunker1-2/+1
The handling of the ALUA transitioning state is currently broken. When a target goes into this state, it is expected that the target is allowed to stay in this state for the implicit transition timeout without a path failure. The handler has this logic, but it gets skipped currently. When the target transitions, there is in-flight I/O from the initiator. The first of these responses from the target will be a unit attention letting the initiator know that the ALUA state has changed. The remaining in-flight I/Os, before the initiator finds out that the portal state has changed, will return not ready, ALUA state is transitioning. The portal state will change to SCSI_ACCESS_STATE_TRANSITIONING. This will lead to all new I/O immediately failing the path unexpectedly. The path failure happens in less than a second instead of the expected successes until the transition timer is exceeded. Allow I/Os to continue while the path is in the ALUA transitioning state. The handler already takes care of a target that stays in the transitioning state for too long by changing the state to ALUA state standby once the transition timeout is exceeded at which point the path will fail. Link: https://lore.kernel.org/r/CAHZQxy+4sTPz9+pY3=7VJH+CLUJsDct81KtnR2be8ycN5mhqTg@mail.gmail.com Reviewed-by: Hannes Reinecke <[email protected]> Acked-by: Krishna Kant <[email protected]> Acked-by: Seamus Connor <[email protected]> Signed-off-by: Brian Bunker <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02KVM: s390: Fix lockdep issue in vm memopJanis Schoetterl-Glausch1-1/+10
Issuing a memop on a protected vm does not make sense, neither is the memory readable/writable, nor does it make sense to check storage keys. This is why the ioctl will return -EINVAL when it detects the vm to be protected. However, in order to ensure that the vm cannot become protected during the memop, the kvm->lock would need to be taken for the duration of the ioctl. This is also required because kvm_s390_pv_is_protected asserts that the lock must be held. Instead, don't try to prevent this. If user space enables secure execution concurrently with a memop it must accecpt the possibility of the memop failing. Still check if the vm is currently protected, but without locking and consider it a heuristic. Fixes: ef11c9463ae0 ("KVM: s390: Add vm IOCTL for key checked guest absolute memory access") Signed-off-by: Janis Schoetterl-Glausch <[email protected]> Reviewed-by: Janosch Frank <[email protected]> Reviewed-by: Claudio Imbrenda <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Christian Borntraeger <[email protected]> Signed-off-by: Heiko Carstens <[email protected]>
2022-05-02Merge tag 'for-5.18-rc5-tag' of ↵Linus Torvalds6-23/+91
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "A few more fixes mostly around how some file attributes could be set. - fix handling of compression property: - don't allow setting it on anything else than regular file or directory - do not allow setting it on nodatacow files via properties - improved error handling when setting xattr - make sure symlinks are always properly logged" * tag 'for-5.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: skip compression property for anything other than files and dirs btrfs: do not BUG_ON() on failure to update inode when setting xattr btrfs: always log symlinks in full mode btrfs: do not allow compression on nodatacow files btrfs: export a helper for compression hard check
2022-05-02Revert "block: release rq qos structures for queue without disk"Ming Lei1-4/+0
This reverts commit daaca3522a8e67c46e39ef09c1d542e866f85f3b. Commit daaca3522a8e ("block: release rq qos structures for queue without disk") is only needed for v5.15~v5.17, and isn't needed for v5.18, so revert it. Signed-off-by: Ming Lei <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
2022-05-02RDMA/irdma: Fix possible crash due to NULL netdev in notifierMustafa Ismail1-12/+9
For some net events in irdma_net_event notifier, the netdev can be NULL which will cause a crash in rdma_vlan_dev_real_dev. Fix this by moving all processing to the NETEVENT_NEIGH_UPDATE case where the netdev is guaranteed to not be NULL. Fixes: 6702bc147448 ("RDMA/irdma: Fix netdev notifications for vlan's") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mustafa Ismail <[email protected]> Signed-off-by: Shiraz Saleem <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
2022-05-02RDMA/irdma: Reduce iWARP QP destroy timeShiraz Saleem1-6/+4
QP destroy is synchronous and waits for its refcnt to be decremented in irdma_cm_node_free_cb (for iWARP) which fires after the RCU grace period elapses. Applications running a large number of connections are exposed to high wait times on destroy QP for events like SIGABORT. The long pole for this wait time is the firing of the call_rcu callback during a CM node destroy which can be slow. It holds the QP reference count and blocks the destroy QP from completing. call_rcu only needs to make sure that list walkers have a reference to the cm_node object before freeing it and thus need to wait for grace period elapse. The rest of the connection teardown in irdma_cm_node_free_cb is moved out of the grace period wait in irdma_destroy_connection. Also, replace call_rcu with a simple kfree_rcu as it just needs to do a kfree on the cm_node Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Shiraz Saleem <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
2022-05-02RDMA/irdma: Flush iWARP QP if modified to ERR from RTR stateTatyana Nikolova2-13/+7
When connection establishment fails in iWARP mode, an app can drain the QPs and hang because flush isn't issued when the QP is modified from RTR state to error. Issue a flush in this case using function irdma_cm_disconn(). Update irdma_cm_disconn() to do flush when cm_id is NULL, which is the case when the QP is in RTR state and there is an error in the connection establishment. Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Tatyana Nikolova <[email protected]> Signed-off-by: Shiraz Saleem <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
2022-05-02io_uring: assign non-fixed early for async workJens Axboe1-1/+6
We defer file assignment to ensure that fixed files work with links between a direct accept/open and the links that follow it. But this has the side effect that normal file assignment is then not complete by the time that request submission has been done. For deferred execution, if the file is a regular file, assign it when we do the async prep anyway. Signed-off-by: Jens Axboe <[email protected]>
2022-05-02gpio: mvebu: drop pwm base assignmentBaruch Siach1-7/+0
pwmchip_add() unconditionally assigns the base ID dynamically. Commit f9a8ee8c8bcd1 ("pwm: Always allocate PWM chip base ID dynamically") dropped all base assignment from drivers under drivers/pwm/. It missed this driver. Fix that. Fixes: f9a8ee8c8bcd1 ("pwm: Always allocate PWM chip base ID dynamically") Signed-off-by: Baruch Siach <[email protected]> Reviewed-by: Uwe Kleine-König <[email protected]> Acked-by: Linus Walleij <[email protected]> Signed-off-by: Bartosz Golaszewski <[email protected]>
2022-05-02gpiolib: of: fix bounds check for 'gpio-reserved-ranges'Andrei Lalaev1-1/+1
Gpiolib interprets the elements of "gpio-reserved-ranges" as "start,size" because it clears "size" bits starting from the "start" bit in the according bitmap. So it has to use "greater" instead of "greater or equal" when performs bounds check to make sure that GPIOs are in the available range. Previous implementation skipped ranges that include the last GPIO in the range. I wrote the mail to the maintainers (https://lore.kernel.org/linux-gpio/[email protected]/T/#u) of the questioned DTSes (because I couldn't understand how the maintainers interpreted this property), but I haven't received a response. Since the questioned DTSes use "gpio-reserved-ranges = <0 4>" (i.e., the beginning of the range), this patch doesn't affect these DTSes at all. TBH this patch doesn't break any existing DTSes because none of them reserve gpios at the end of range. Fixes: 726cb3ba4969 ("gpiolib: Support 'gpio-reserved-ranges' property") Signed-off-by: Andrei Lalaev <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Cc: [email protected] Signed-off-by: Bartosz Golaszewski <[email protected]>
2022-05-01Linux 5.18-rc5Linus Torvalds1-1/+1
2022-05-01Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds18-62/+214
Pull kvm fixes from Paolo Bonzini: "ARM: - Take care of faults occuring between the PARange and IPA range by injecting an exception - Fix S2 faults taken from a host EL0 in protected mode - Work around Oops caused by a PMU access from a 32bit guest when PMU has been created. This is a temporary bodge until we fix it for good. x86: - Fix potential races when walking host page table - Fix shadow page table leak when KVM runs nested - Work around bug in userspace when KVM synthesizes leaf 0x80000021 on older (pre-EPYC) or Intel processors Generic (but affects only RISC-V): - Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: work around QEMU issue with synthetic CPUID leaves Revert "x86/mm: Introduce lookup_address_in_mm()" KVM: x86/mmu: fix potential races when walking host page table KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDR KVM: arm64: Inject exception on out-of-IPA-range translation fault KVM/arm64: Don't emulate a PMU for 32-bit guests if feature not set KVM: arm64: Handle host stage-2 faults from 32-bit EL0
2022-05-01Merge tag 'x86_urgent_for_v5.18_rc5' of ↵Linus Torvalds21-29/+63
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is solely controlled by the hypervisor - A build fix to make the function prototype (__warn()) as visible as the definition itself - A bunch of objtool annotation fixes which have accumulated over time - An ORC unwinder fix to handle bad input gracefully - Well, we thought the microcode gets loaded in time in order to restore the microcode-emulated MSRs but we thought wrong. So there's a fix for that to have the ordering done properly - Add new Intel model numbers - A spelling fix * tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guests bug: Have __warn() prototype defined unconditionally x86/Kconfig: fix the spelling of 'becoming' in X86_KERNEL_IBT config objtool: Use offstr() to print address of missing ENDBR objtool: Print data address for "!ENDBR" data warnings x86/xen: Add ANNOTATE_NOENDBR to startup_xen() x86/uaccess: Add ENDBR to __put_user_nocheck*() x86/retpoline: Add ANNOTATE_NOENDBR for retpolines x86/static_call: Add ANNOTATE_NOENDBR to static call trampoline objtool: Enable unreachable warnings for CLANG LTO x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE x86,objtool: Mark cpu_startup_entry() __noreturn x86,xen,objtool: Add UNWIND hint lib/strn*,objtool: Enforce user_access_begin() rules MAINTAINERS: Add x86 unwinding entry x86/unwind/orc: Recheck address range after stack info was updated x86/cpu: Load microcode during restore_processor_state() x86/cpu: Add new Alderlake and Raptorlake CPU model numbers
2022-05-01net: dsa: b53: convert to phylink_pcsRussell King (Oracle)5-72/+75
Convert B53 to use phylink_pcs for the serdes rather than hooking it into the MAC-layer callbacks. Fixes: 81c1681cbb9f ("net: dsa: b53: mark as non-legacy") Reviewed-by: Florian Fainelli <[email protected]> Tested-by: Florian Fainelli <[email protected]> Signed-off-by: Russell King (Oracle) <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2022-05-01Merge tag 'objtool_urgent_for_v5.18_rc5' of ↵Linus Torvalds6-99/+265
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fixes from Borislav Petkov: "A bunch of objtool fixes to improve unwinding, sibling call detection, fallthrough detection and relocation handling of weak symbols when the toolchain strips section symbols" * tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix code relocs vs weak symbols objtool: Fix type of reloc::addend objtool: Fix function fallthrough detection for vmlinux objtool: Fix sibling call detection in alternatives objtool: Don't set 'jump_dest' for sibling calls x86/uaccess: Don't jump between functions
2022-05-01Merge tag 'irq_urgent_for_v5.18_rc5' of ↵Linus Torvalds1-1/+5
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Borislav Petkov: - Fix locking when accessing device MSI descriptors * tag 'irq_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: bus: fsl-mc-msi: Fix MSI descriptor mutex lock for msi_first_desc()
2022-05-01pci_irq_vector() can't be used in atomic context any longer. This conflictsThomas Gleixner1-8/+8
with the usage of this function in nic_mbx_intr_handler(). Cache the Linux interrupt numbers in struct nicpf and use that cache in the interrupt handler to select the mailbox. Fixes: 495c66aca3da ("genirq/msi: Convert to new functions") Reported-by: Ondrej Mosnacek <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: Sunil Goutham <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Jakub Kicinski <[email protected]> Cc: Paolo Abeni <[email protected]> Cc: [email protected] Cc: [email protected] Link: https://bugzilla.redhat.com/show_bug.cgi?id=2041772 Signed-off-by: David S. Miller <[email protected]>
2022-05-01Merge branch 'nfc-fixes'David S. Miller2-16/+15
Duoming Zhou says: ==================== Replace improper checks and fix bugs in nfc subsystem The first patch is used to replace improper checks in netlink related functions of nfc core, the second patch is used to fix bugs in nfcmrvl driver. ==================== Signed-off-by: David S. Miller <[email protected]>
2022-05-01nfc: nfcmrvl: main: reorder destructive operations in ↵Duoming Zhou1-1/+1
nfcmrvl_nci_unregister_dev to avoid bugs There are destructive operations such as nfcmrvl_fw_dnld_abort and gpio_free in nfcmrvl_nci_unregister_dev. The resources such as firmware, gpio and so on could be destructed while the upper layer functions such as nfcmrvl_fw_dnld_start and nfcmrvl_nci_recv_frame is executing, which leads to double-free, use-after-free and null-ptr-deref bugs. There are three situations that could lead to double-free bugs. The first situation is shown below: (Thread 1) | (Thread 2) nfcmrvl_fw_dnld_start | ... | nfcmrvl_nci_unregister_dev release_firmware() | nfcmrvl_fw_dnld_abort kfree(fw) //(1) | fw_dnld_over | release_firmware ... | kfree(fw) //(2) | ... The second situation is shown below: (Thread 1) | (Thread 2) nfcmrvl_fw_dnld_start | ... | mod_timer | (wait a time) | fw_dnld_timeout | nfcmrvl_nci_unregister_dev fw_dnld_over | nfcmrvl_fw_dnld_abort release_firmware | fw_dnld_over kfree(fw) //(1) | release_firmware ... | kfree(fw) //(2) The third situation is shown below: (Thread 1) | (Thread 2) nfcmrvl_nci_recv_frame | if(..->fw_download_in_progress)| nfcmrvl_fw_dnld_recv_frame | queue_work | | fw_dnld_rx_work | nfcmrvl_nci_unregister_dev fw_dnld_over | nfcmrvl_fw_dnld_abort release_firmware | fw_dnld_over kfree(fw) //(1) | release_firmware | kfree(fw) //(2) The firmware struct is deallocated in position (1) and deallocated in position (2) again. The crash trace triggered by POC is like below: BUG: KASAN: double-free or invalid-free in fw_dnld_over Call Trace: kfree fw_dnld_over nfcmrvl_nci_unregister_dev nci_uart_tty_close tty_ldisc_kill tty_ldisc_hangup __tty_hangup.part.0 tty_release ... What's more, there are also use-after-free and null-ptr-deref bugs in nfcmrvl_fw_dnld_start. If we deallocate firmware struct, gpio or set null to the members of priv->fw_dnld in nfcmrvl_nci_unregister_dev, then, we dereference firmware, gpio or the members of priv->fw_dnld in nfcmrvl_fw_dnld_start, the UAF or NPD bugs will happen. This patch reorders destructive operations after nci_unregister_device in order to synchronize between cleanup routine and firmware download routine. The nci_unregister_device is well synchronized. If the device is detaching, the firmware download routine will goto error. If firmware download routine is executing, nci_unregister_device will wait until firmware download routine is finished. Fixes: 3194c6870158 ("NFC: nfcmrvl: add firmware download support") Signed-off-by: Duoming Zhou <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2022-05-01nfc: replace improper check device_is_registered() in netlink related functionsDuoming Zhou1-15/+14
The device_is_registered() in nfc core is used to check whether nfc device is registered in netlink related functions such as nfc_fw_download(), nfc_dev_up() and so on. Although device_is_registered() is protected by device_lock, there is still a race condition between device_del() and device_is_registered(). The root cause is that kobject_del() in device_del() is not protected by device_lock. (cleanup task) | (netlink task) | nfc_unregister_device | nfc_fw_download device_del | device_lock ... | if (!device_is_registered)//(1) kobject_del//(2) | ... ... | device_unlock The device_is_registered() returns the value of state_in_sysfs and the state_in_sysfs is set to zero in kobject_del(). If we pass check in position (1), then set zero in position (2). As a result, the check in position (1) is useless. This patch uses bool variable instead of device_is_registered() to judge whether the nfc device is registered, which is well synchronized. Fixes: 3e256b8f8dfa ("NFC: add nfc subsystem core") Signed-off-by: Duoming Zhou <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2022-05-01net: stmmac: disable Split Header (SPH) for Intel platformsTan Tee Min3-1/+3
Based on DesignWare Ethernet QoS datasheet, we are seeing the limitation of Split Header (SPH) feature is not supported for Ipv4 fragmented packet. This SPH limitation will cause ping failure when the packets size exceed the MTU size. For example, the issue happens once the basic ping packet size is larger than the configured MTU size and the data is lost inside the fragmented packet, replaced by zeros/corrupted values, and leads to ping fail. So, disable the Split Header for Intel platforms. v2: Add fixes tag in commit message. Fixes: 67afd6d1cfdf("net: stmmac: Add Split Header support and enable it in XGMAC cores") Cc: <[email protected]> # 5.10.x Suggested-by: Ong, Boon Leong <[email protected]> Signed-off-by: Mohammad Athari Bin Ismail <[email protected]> Signed-off-by: Wong Vee Khee <[email protected]> Signed-off-by: Tan Tee Min <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2022-05-01mm: Fix PASID use-after-free issueFenghua Yu1-1/+1
The PASID is being freed too early. It needs to stay around until after device drivers that might be using it have had a chance to clear it out of the hardware. The relevant refcounts are: mmget() /mmput() refcount the mm's address space mmgrab()/mmdrop() refcount the mm itself The PASID is currently tied to the life of the mm's address space and freed in __mmput(). This makes logical sense because the PASID can't be used once the address space is gone. But, this misses an important point: even after the address space is gone, the PASID will still be programmed into a device. Device drivers might, for instance, still need to flush operations that are outstanding and need to use that PASID. They do this at file->release() time. Device drivers call the IOMMU driver to hold a reference on the mm itself and drop it at file->release() time. But, the IOMMU driver holds a reference on the mm itself, not the address space. The address space (and the PASID) is long gone by the time the driver tries to clean up. This is effectively a use-after-free bug on the PASID. To fix this, move the PASID free operation from __mmput() to __mmdrop(). This ensures that the IOMMU driver's existing mmgrab() keeps the PASID allocated until it drops its mm reference. Fixes: 701fac40384f ("iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit") Reported-by: Zhangfei Gao <[email protected]> Suggested-by: Jean-Philippe Brucker <[email protected]> Suggested-by: Jacob Pan <[email protected]> Signed-off-by: Fenghua Yu <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Zhangfei Gao <[email protected]> Reviewed-by: Jean-Philippe Brucker <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2022-04-30Merge tag 'driver-core-5.18-rc5' of ↵Linus Torvalds3-2/+26
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are some small driver core and kernfs fixes for some reported problems. They include: - kernfs regression that is causing oopses in 5.17 and newer releases - topology sysfs fixes for a few small reported problems. All of these have been in linux-next for a while with no reported issues" * tag 'driver-core-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: kernfs: fix NULL dereferencing in kernfs_remove topology: Fix up build warning in topology_is_visible() arch_topology: Do not set llc_sibling if llc_id is invalid topology: make core_mask include at least cluster_siblings topology/sysfs: Hide PPIN on systems that do not support it.
2022-04-30Merge tag 'char-misc-5.18-rc5' of ↵Linus Torvalds25-113/+148
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are a small number of char/misc/other driver fixes for 5.18-rc5 Nothing major in here, this is mostly IIO driver fixes along with some other small things: - at25 driver fix for systems without a dma-able stack - phy driver fixes for reported issues - binder driver fixes for reported issues All of these have been in linux-next without any reported problems" * tag 'char-misc-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (31 commits) eeprom: at25: Use DMA safe buffers binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0 binder: Address corner cases in deferred copy and fixup phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe() iio: imu: inv_icm42600: Fix I2C init possible nack iio: dac: ltc2688: fix voltage scale read interconnect: qcom: sdx55: Drop IP0 interconnects interconnect: qcom: sc7180: Drop IP0 interconnects phy: ti: Add missing pm_runtime_disable() in serdes_am654_probe phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe phy: ti: omap-usb2: Fix error handling in omap_usb2_enable_clocks bus: mhi: host: pci_generic: Flush recovery worker during freeze bus: mhi: host: pci_generic: Add missing poweroff() PM callback phy: ti: tusb1210: Fix an error handling path in tusb1210_probe() phy: samsung: exynos5250-sata: fix missing device put in probe error paths phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe phy: ti: Fix missing of_node_put in ti_pipe3_get_sysctrl() phy: ti: tusb1210: Make tusb1210_chg_det_states static iio:dac:ad3552r: Fix an IS_ERR() vs NULL check iio: sx9324: Fix default precharge internal resistance register ...