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2017-01-17Merge remote-tracking branches 'spi/fix/armada', 'spi/fix/axi', ↵Mark Brown6-6/+12
'spi/fix/davinci', 'spi/fix/dw', 'spi/fix/fsl-dspi' and 'spi/fix/pxa2xx' into spi-linus
2017-01-17ibmvscsis: Fix sleeping in interrupt contextBryant G. Ly1-2/+2
Currently, dma_alloc_coherent is being called with a GFP_KERNEL flag which allows it to sleep in an interrupt context, need to change to GFP_ATOMIC. Cc: [email protected] Tested-by: Steven Royer <[email protected]> Reviewed-by: Michael Cyr <[email protected]> Signed-off-by: Bryant G. Ly <[email protected]> Signed-off-by: Bart Van Assche <[email protected]>
2017-01-17ibmvscsis: Fix max transfer lengthBryant G. Ly1-1/+2
Current code incorrectly calculates the max transfer length, since it is assuming a 4k page table, but ppc64 all run on 64k page tables. Cc: [email protected] Reported-by: Steven Royer <[email protected]> Tested-by: Steven Royer <[email protected]> Signed-off-by: Bryant G. Ly <[email protected]> Signed-off-by: Bart Van Assche <[email protected]>
2017-01-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds60-210/+384
Pull networking fixes from David Miller: 1) Handle multicast packets properly in fast-RX path of mac80211, from Johannes Berg. 2) Because of a logic bug, the user can't actually force SW checksumming on r8152 devices. This makes diagnosis of hw checksumming bugs really annoying. Fix from Hayes Wang. 3) VXLAN route lookup does not take the source and destination ports into account, which means IPSEC policies cannot be matched properly. Fix from Martynas Pumputis. 4) Do proper RCU locking in netvsc callbacks, from Stephen Hemminger. 5) Fix SKB leaks in mlxsw driver, from Arkadi Sharshevsky. 6) If lwtunnel_fill_encap() fails, we do not abort the netlink message construction properly in fib_dump_info(), from David Ahern. 7) Do not use kernel stack for DMA buffers in atusb driver, from Stefan Schmidt. 8) Openvswitch conntack actions need to maintain a correct checksum, fix from Lance Richardson. 9) ax25_disconnect() is missing a check for ax25->sk being NULL, in fact it already checks this, but not in all of the necessary spots. Fix from Basil Gunn. 10) Action GET operations in the packet scheduler can erroneously bump the reference count of the entry, making it unreleasable. Fix from Jamal Hadi Salim. Jamal gives a great set of example command lines that trigger this in the commit message. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits) net sched actions: fix refcnt when GETing of action after bind net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOV net/mlx4_core: Fix when to save some qp context flags for dynamic VST to VGT transitions net/mlx4_core: Fix racy CQ (Completion Queue) free net: stmmac: don't use netdev_[dbg, info, ..] before net_device is registered net/mlx5e: Fix a -Wmaybe-uninitialized warning ax25: Fix segfault after sock connection timeout bpf: rework prog_digest into prog_tag tipc: allocate user memory with GFP_KERNEL flag net: phy: dp83867: allow RGMII_TXID/RGMII_RXID interface types ip6_tunnel: Account for tunnel header in tunnel MTU mld: do not remove mld souce list info when set link down be2net: fix MAC addr setting on privileged BE3 VFs be2net: don't delete MAC on close on unprivileged BE3 VFs be2net: fix status check in be_cmd_pmac_add() cpmac: remove hopeless #warning ravb: do not use zero-length alignment DMA descriptor mlx4: do not call napi_schedule() without care openvswitch: maintain correct checksum state in conntrack actions tcp: fix tcp_fastopen unaligned access complaints on sparc ...
2017-01-17Merge branch 'stable/for-linus-4.10' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb fix from Konrad Rzeszutek Wilk: "A tiny fix to make sure that page-sized mappings are page-aligned (and not say straddle two pages). This is important for some drivers (such as NVME)" * 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: swiotlb: ensure that page-sized mappings are page-aligned
2017-01-17Merge tag 'mmc-v4.10-rc3' of ↵Linus Torvalds4-19/+23
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "MMC core: - fix regressions detecting HS/HS DDR eMMC cards related to CMD6 MMC host: - mmc: mxs-mmc: Fix additional cycles after transmission stop - sdhci-acpi: Only powered up enabled acpi child devices - meson: avoid possible NULL dereference" * tag 'mmc-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: core: Restore parts of the polling policy when switch to HS/HS DDR mmc: mxs-mmc: Fix additional cycles after transmission stop mmc: sdhci-acpi: Only powered up enabled acpi child devices MMC: meson: avoid possible NULL dereference
2017-01-17Merge tag 'for-linus-20170116' of git://git.infradead.org/linux-mtdLinus Torvalds5-10/+10
Pull MTD fixes from Brian Norris: "Just NAND updates from Boris: - avoid compiling xway NAND controller driver as a module (which didn't work) - fix tango NAND DT binding and make sure the controller is in a clean state at probe time - add dependency on HAS_IOMEM to the oxnas NAND driver - fix irq number validity check in the lpc32xx driver" * tag 'for-linus-20170116' of git://git.infradead.org/linux-mtd: mtd: nand: lpc32xx: fix invalid error handling of a requested irq mtd: nand: tango: Reset pbus to raw mode in probe mtd: nand: tango: Update DT binding description mtd: nand: oxnas_nand: fix build errors on arch/um, require HAS_IOMEM mtd: nand: xway: fix build because of module functions mtd: nand: xway: disable module support
2017-01-17Merge tag 'perf-urgent-for-mingo-4.10-20170117' of ↵Ingo Molnar3-41/+72
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull 'perf probe' fixes from Arnaldo Carvalho de Melo <[email protected]> - Show correct locations for 'perf probe' on modules (Masami Hiramatsu) - Correctly handle 'perf probe's on GCC generated functions in modules (Masami Hiramatsu) Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2017-01-17drm/i915: Fix a typo in vgt_balloon_space()Zhenyu Wang1-1/+1
Commit 625d988acc28 ("drm/i915: Extract reserving space in the GTT to a helper") introduces this typo which can cause a driver loading failure in Linux GVT-g guest. Fixes: 625d988acc28 ("drm/i915: Extract reserving space in the GTT to a helper") Cc: Joonas Lahtinen <[email protected]> Cc: Chris Wilson <[email protected]> Cc: Zhiyuan Lv <[email protected]> Signed-off-by: Zhenyu Wang <[email protected]> Signed-off-by: Zhi Wang <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: Chris Wilson <[email protected]> Signed-off-by: Chris Wilson <[email protected]>
2017-01-17PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handlingMarc Zyngier1-1/+1
The conversion to the new hotplug state machine introduced a regression where a successful hotplug registration would be treated as an error, effectively disabling the MSI driver forever. Fix it by doing the proper check on the return value. Fixes: 9c248f8896e6 ("PCI/xgene-msi: Convert to hotplug state machine") Signed-off-by: Marc Zyngier <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Acked-by: Sebastian Andrzej Siewior <[email protected]> Tested-by: Duc Dang <[email protected]> CC: Thomas Gleixner <[email protected]> CC: [email protected]
2017-01-17KVM: x86: fix fixing of hypercallsDmitry Vyukov1-1/+2
emulator_fix_hypercall() replaces hypercall with vmcall instruction, but it does not handle GP exception properly when writes the new instruction. It can return X86EMUL_PROPAGATE_FAULT without setting exception information. This leads to incorrect emulation and triggers WARN_ON(ctxt->exception.vector > 0x1f) in x86_emulate_insn() as discovered by syzkaller fuzzer: WARNING: CPU: 2 PID: 18646 at arch/x86/kvm/emulate.c:5558 Call Trace: warn_slowpath_null+0x2c/0x40 kernel/panic.c:582 x86_emulate_insn+0x16a5/0x4090 arch/x86/kvm/emulate.c:5572 x86_emulate_instruction+0x403/0x1cc0 arch/x86/kvm/x86.c:5618 emulate_instruction arch/x86/include/asm/kvm_host.h:1127 [inline] handle_exception+0x594/0xfd0 arch/x86/kvm/vmx.c:5762 vmx_handle_exit+0x2b7/0x38b0 arch/x86/kvm/vmx.c:8625 vcpu_enter_guest arch/x86/kvm/x86.c:6888 [inline] vcpu_run arch/x86/kvm/x86.c:6947 [inline] Set exception information when write in emulator_fix_hypercall() fails. Signed-off-by: Dmitry Vyukov <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Radim Krčmář <[email protected]> Cc: Wanpeng Li <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Radim Krčmář <[email protected]>
2017-01-17Merge tag 'kvm-arm-for-4.10-rc4' of ↵Radim Krčmář9-24/+75
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm KVM/ARM updates for 4.10-rc4 - Fix for timer setup on VHE machines - Drop spurious warning when the timer races against the vcpu running again - Prevent a vgic deadlock when the initialization fails
2017-01-17ubifs: Fix journal replay wrt. xattr nodesRichard Weinberger1-2/+23
When replaying the journal it can happen that a journal entry points to a garbage collected node. This is the case when a power-cut occurred between a garbage collect run and a commit. In such a case nodes have to be read using the failable read functions to detect whether the found node matches what we expect. One corner case was forgotten, when the journal contains an entry to remove an inode all xattrs have to be removed too. UBIFS models xattr like directory entries, so the TNC code iterates over all xattrs of the inode and removes them too. This code re-uses the functions for walking directories and calls ubifs_tnc_next_ent(). ubifs_tnc_next_ent() expects to be used only after the journal and aborts when a node does not match the expected result. This behavior can render an UBIFS volume unmountable after a power-cut when xattrs are used. Fix this issue by using failable read functions in ubifs_tnc_next_ent() too when replaying the journal. Cc: [email protected] Fixes: 1e51764a3c2ac05a ("UBIFS: add new flash file system") Reported-by: Rock Lee <[email protected]> Reviewed-by: David Gstir <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17ubifs: remove redundant checks for encryption keyEric Biggers1-55/+3
In several places, ubifs checked for an encryption key before creating a file in an encrypted directory. This was redundant with fscrypt_setup_filename() or ubifs_new_inode(), and in the case of ubifs_link() it broke linking to special files. So remove the extra checks. Signed-off-by: Eric Biggers <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17ubifs: allow encryption ioctls in compat modeEric Biggers1-0/+3
The ubifs encryption ioctls did not work when called by a 32-bit program on a 64-bit kernel. Since 'struct fscrypt_policy' is not affected by the word size, ubifs just needs to allow these ioctls through, like what ext4 and f2fs do. Signed-off-by: Eric Biggers <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17ubifs: add CONFIG_BLOCK dependency for encryptionArnd Bergmann1-1/+1
This came up during the v4.10 merge window: warning: (UBIFS_FS_ENCRYPTION) selects FS_ENCRYPTION which has unmet direct dependencies (BLOCK) fs/crypto/crypto.c: In function 'fscrypt_zeroout_range': fs/crypto/crypto.c:355:9: error: implicit declaration of function 'bio_alloc';did you mean 'd_alloc'? [-Werror=implicit-function-declaration] bio = bio_alloc(GFP_NOWAIT, 1); The easiest way out is to limit UBIFS_FS_ENCRYPTION to configurations that also enable BLOCK. Fixes: d475a507457b ("ubifs: Add skeleton for fscrypto") Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17ubifs: fix unencrypted journal writePeter Rosin1-0/+1
Without this, I get the following on reboot: UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad target node (type 1) length (8240) UBIFS error (ubi1:0 pid 703): ubifs_load_znode: have to be in range of 48-4144 UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad indexing node at LEB 13:11080, error 5 magic 0x6101831 crc 0xb1cb246f node_type 9 (indexing node) group_type 0 (no node group) sqnum 546 len 128 child_cnt 5 level 0 Branches: 0: LEB 14:72088 len 161 key (133, inode) 1: LEB 14:81120 len 160 key (134, inode) 2: LEB 20:26624 len 8240 key (134, data, 0) 3: LEB 14:81280 len 160 key (135, inode) 4: LEB 20:34864 len 8240 key (135, data, 0) UBIFS warning (ubi1:0 pid 703): ubifs_ro_mode.part.0: switched to read-only mode, error -22 CPU: 0 PID: 703 Comm: mount Not tainted 4.9.0-next-20161213+ #1197 Hardware name: Atmel SAMA5 [<c010d2ac>] (unwind_backtrace) from [<c010b250>] (show_stack+0x10/0x14) [<c010b250>] (show_stack) from [<c024df94>] (ubifs_jnl_update+0x2e8/0x614) [<c024df94>] (ubifs_jnl_update) from [<c0254bf8>] (ubifs_mkdir+0x160/0x204) [<c0254bf8>] (ubifs_mkdir) from [<c01a6030>] (vfs_mkdir+0xb0/0x104) [<c01a6030>] (vfs_mkdir) from [<c0286070>] (ovl_create_real+0x118/0x248) [<c0286070>] (ovl_create_real) from [<c0283ed4>] (ovl_fill_super+0x994/0xaf4) [<c0283ed4>] (ovl_fill_super) from [<c019c394>] (mount_nodev+0x44/0x9c) [<c019c394>] (mount_nodev) from [<c019c4ac>] (mount_fs+0x14/0xa4) [<c019c4ac>] (mount_fs) from [<c01b5338>] (vfs_kern_mount+0x4c/0xd4) [<c01b5338>] (vfs_kern_mount) from [<c01b6b80>] (do_mount+0x154/0xac8) [<c01b6b80>] (do_mount) from [<c01b782c>] (SyS_mount+0x74/0x9c) [<c01b782c>] (SyS_mount) from [<c0107f80>] (ret_fast_syscall+0x0/0x3c) UBIFS error (ubi1:0 pid 703): ubifs_mkdir: cannot create directory, error -22 overlayfs: failed to create directory /mnt/ovl/work/work (errno: 22); mounting read-only Fixes: 7799953b34d1 ("ubifs: Implement encrypt/decrypt for all IO") Signed-off-by: Peter Rosin <[email protected]> Tested-by: Kevin Hilman <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17ubifs: ensure zero err is returned on successful returnColin Ian King1-0/+1
err is no longer being set on a successful return path, causing a garbage value being returned. Fix this by setting err to zero for the successful return path. Found with static analysis by CoverityScan, CID 1389473 Fixes: 7799953b34d18 ("ubifs: Implement encrypt/decrypt for all IO") Signed-off-by: Colin Ian King <[email protected]> Signed-off-by: Richard Weinberger <[email protected]>
2017-01-17arm64: Fix swiotlb fallback allocationAlexander Graf1-0/+2
Commit b67a8b29df introduced logic to skip swiotlb allocation when all memory is DMA accessible anyway. While this is a great idea, __dma_alloc still calls swiotlb code unconditionally to allocate memory when there is no CMA memory available. The swiotlb code is called to ensure that we at least try get_free_pages(). Without initialization, swiotlb allocation code tries to access io_tlb_list which is NULL. That results in a stack trace like this: Unable to handle kernel NULL pointer dereference at virtual address 00000000 [...] [<ffff00000845b908>] swiotlb_tbl_map_single+0xd0/0x2b0 [<ffff00000845be94>] swiotlb_alloc_coherent+0x10c/0x198 [<ffff000008099dc0>] __dma_alloc+0x68/0x1a8 [<ffff000000a1b410>] drm_gem_cma_create+0x98/0x108 [drm] [<ffff000000abcaac>] drm_fbdev_cma_create_with_funcs+0xbc/0x368 [drm_kms_helper] [<ffff000000abcd84>] drm_fbdev_cma_create+0x2c/0x40 [drm_kms_helper] [<ffff000000abc040>] drm_fb_helper_initial_config+0x238/0x410 [drm_kms_helper] [<ffff000000abce88>] drm_fbdev_cma_init_with_funcs+0x98/0x160 [drm_kms_helper] [<ffff000000abcf90>] drm_fbdev_cma_init+0x40/0x58 [drm_kms_helper] [<ffff000000b47980>] vc4_kms_load+0x90/0xf0 [vc4] [<ffff000000b46a94>] vc4_drm_bind+0xec/0x168 [vc4] [...] Thankfully swiotlb code just learned how to not do allocations with the FORCE_NO option. This patch configures the swiotlb code to use that if we decide not to initialize the swiotlb framework. Fixes: b67a8b29df ("arm64: mm: only initialize swiotlb when necessary") Signed-off-by: Alexander Graf <[email protected]> CC: Jisheng Zhang <[email protected]> CC: Geert Uytterhoeven <[email protected]> CC: Konrad Rzeszutek Wilk <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
2017-01-17drm: qxl: Let DRM core handle connector registeringGabriel Krisman Bertazi1-1/+0
Registering the connector explicitly right after creation is not necessary for modesetting drivers, because drm_dev_register already takes care of this on the core side, by calling drm_modeset_register_all. In addition, performing the initialization too early will get in the way of the load() hook removal, because the connector interface cannot be published prior to registering the minors. Signed-off-by: Gabriel Krisman Bertazi <[email protected]> CC: Dave Airlie <[email protected]> CC: Daniel Vetter <[email protected]> CC: [email protected] Signed-off-by: Gustavo Padovan <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
2017-01-17perf/x86/intel: Handle exclusive threadid correctly on CPU hotplugZhou Chengming1-2/+5
The CPU hotplug function intel_pmu_cpu_starting() sets cpu_hw_events.excl_thread_id unconditionally to 1 when the shared exclusive counters data structure is already availabe for the sibling thread. This works during the boot process because the first sibling gets threadid 0 assigned and the second sibling which shares the data structure gets 1. But when the first thread of the core is offlined and onlined again it shares the data structure with the second thread and gets exclusive thread id 1 assigned as well. Prevent this by checking the threadid of the already online thread. [ tglx: Rewrote changelog ] Signed-off-by: Zhou Chengming <[email protected]> Cc: NuoHan Qiao <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- --- arch/x86/events/intel/core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
2017-01-17Merge tag 'fixes-for-v4.10-rc5' of ↵Greg Kroah-Hartman9-31/+30
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus Felipe writes: usb: fixes for v4.10-rc5 One memory leak fix on the atmel UDC. Several fixes for dwc2. A fix on composite.c to use usb_ep_free_request() when freeing struct usb_request.
2017-01-17drm/i915: Assert internal objects are page alignedChris Wilson1-0/+1
Internal objects must be passed a page-aligned size. Check it. Signed-off-by: Chris Wilson <[email protected]> Cc: Joonas Lahtinen <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: Joonas Lahtinen <[email protected]>
2017-01-17clocksource/exynos_mct: Clear interrupt when cpu is shut downJoonyoung Shim1-0/+1
When a CPU goes offline a potentially pending timer interrupt is not cleared. When the CPU comes online again then the pending interrupt is delivered before the per cpu clockevent device is initialized. As a consequence the tick interrupt handler dereferences a NULL pointer. [ 51.251378] Unable to handle kernel NULL pointer dereference at virtual address 00000040 [ 51.289348] task: ee942d00 task.stack: ee960000 [ 51.293861] PC is at tick_periodic+0x38/0xb0 [ 51.298102] LR is at tick_handle_periodic+0x1c/0x90 Clear the pending interrupt in the cpu dying path. Fixes: 56a94f13919c ("clocksource: exynos_mct: Avoid blocking calls in the cpu hotplug notifier") Reported-by: Seung-Woo Kim <[email protected]> Signed-off-by: Joonyoung Shim <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
2017-01-17Merge branch 'fixes' of ↵Zhang Rui1-53/+100
git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into thermal-soc
2017-01-16Merge tag 'ux500-fix-for-armsoc' of ↵Olof Johansson1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes A single PM fix from Arnd * tag 'ux500-fix-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation Signed-off-by: Olof Johansson <[email protected]>
2017-01-16Merge tag 'arm-soc/for-4.10/devicetree-fixes' of ↵Olof Johansson1-1/+1
http://github.com/Broadcom/stblinux into fixes This pull request contains Broadcom ARM-based SoC Device Tree fixes for v4.10, please pull the following: - Jon fixes an invalid value for the "ranges" property of the bus nodes on NorthStar Plus SoCs * tag 'arm-soc/for-4.10/devicetree-fixes' of http://github.com/Broadcom/stblinux: ARM: dts: NSP: Fix DT ranges error Signed-off-by: Olof Johansson <[email protected]>
2017-01-16Merge tag 'arm-soc/for-4.10/defconfig-fixes' of ↵Olof Johansson1-2/+2
http://github.com/Broadcom/stblinux into fixes This pull request contains fixes to multi_v7_defconfig for Broadcom ARM-based SoCs, please pull the following changes: - Valenting fixes two incorrect Kconfig symbols for BCM47xx: NVRAM and watchdog drivers * tag 'arm-soc/for-4.10/defconfig-fixes' of http://github.com/Broadcom/stblinux: ARM: multi_v7_defconfig: set bcm47xx watchdog ARM: multi_v7_defconfig: fix config typo Signed-off-by: Olof Johansson <[email protected]>
2017-01-16Merge tag 'samsung-fixes-4.10' of ↵Olof Johansson2-3/+4
git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes Samsung fixes for v4.10: 1. Update maintainers entry with Patchwork address. 2. Fix invalid values for NF_CT_PROTO_* in s3c2410 defconfig (these options cannot be modules anymore). * tag 'samsung-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: ARM: s3c2410_defconfig: Fix invalid values for NF_CT_PROTO_* MAINTAINERS: Add Patchwork URL to Samsung Exynos entry Signed-off-by: Olof Johansson <[email protected]>
2017-01-16Merge tag 'sunxi-fixes-for-4.10' of ↵Olof Johansson4-1/+7
https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes Allwinner fixes for 4.10 A few fixes here and there to enable the build of some DT leftover, prevent display issues or setup a proper muxing. * tag 'sunxi-fixes-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc ARM: dts: sun8i: Support DTB build for NanoPi M1 ARM: dts: sun6i: hummingbird: Enable display engine again ARM: dts: sun6i: Disable display pipeline by default Signed-off-by: Olof Johansson <[email protected]>
2017-01-16Merge tag 'imx-fixes-4.10-2' of ↵Olof Johansson2-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes i.MX fixes for 4.10, 2nd round: - A couple of Nitrogen6 device tree fixes for audio codec probe failure, which is caused by that pinctrl setting for codec clock was not in the correct device node. * tag 'imx-fixes-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx6qdl-nitrogen6_som2: fix sgtl5000 pinctrl init ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init Signed-off-by: Olof Johansson <[email protected]>
2017-01-17drm/bridge: adv7511: Initialize regulatorsArchit Taneja2-9/+81
Maintain a table of regulator names expected by ADV7511 and ADV7533. Use regulator_bulk_* api to configure these. Initialize and enable the regulators during probe itself. Controlling these dynamically is left for later. Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Archit Taneja <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
2017-01-17dt-bindings: drm/bridge: adv7511: Add regulator bindingsArchit Taneja1-0/+12
Add the regulator supply properties needed by ADV7511 and ADV7533. Acked-by: Laurent Pinchart <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Archit Taneja <[email protected]> Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
2017-01-16thermal: rockchip: fixes the conversion tableCaesar Wang1-1/+1
As Ayaka reported the thermal was abormal on rk3288 at booting time. thermal thermal_zone1: critical temperature reached(125 C),shutting down thermal thermal_zone2: critical temperature reached(125 C),shutting down thermal thermal_zone1: critical temperature reached(125 C),shutting down thermal thermal_zone2: critical temperature reached(125 C),shutting down ... The root caused by reading the invald analogic value, the value is zero will convert the 125 degree to trigger the critical temperature. Fixes it with insteading of the incorrect reading now. Fixes commit cadf29dc2a8bcaae83 ("thermal: rockchip: optimize the conversion table") Reported-by: ayaka <[email protected]> Signed-off-by: Caesar Wang <[email protected]> Signed-off-by: Eduardo Valentin <[email protected]>
2017-01-17powerpc/icp-opal: Fix missing KVM case and harden replayBenjamin Herrenschmidt1-7/+24
The icp-opal call is missing the code from icp-native to recover interrupts snatched by KVM. Without that, when running KVM, we can get into a situation where an interrupt is lost and the CPU stuck with an elevated CPPR. Also harden replay by always checking the return from opal_int_eoi(). Fixes: d74361881f0d ("powerpc/xics: Add ICP OPAL backend") Cc: [email protected] # v4.8+ Signed-off-by: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
2017-01-16net sched actions: fix refcnt when GETing of action after bindJamal Hadi Salim1-3/+2
Demonstrating the issue: .. add a drop action $sudo $TC actions add action drop index 10 .. retrieve it $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 2 bind 0 installed 29 sec used 29 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 ... bug 1 above: reference is two. Reference is actually 1 but we forget to subtract 1. ... do a GET again and we see the same issue try a few times and nothing changes ~$ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 2 bind 0 installed 31 sec used 31 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 ... lets try to bind the action to a filter.. $ sudo $TC qdisc add dev lo ingress $ sudo $TC filter add dev lo parent ffff: protocol ip prio 1 \ u32 match ip dst 127.0.0.1/32 flowid 1:1 action gact index 10 ... and now a few GETs: $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 3 bind 1 installed 204 sec used 204 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 4 bind 1 installed 206 sec used 206 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 5 bind 1 installed 235 sec used 235 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 .... as can be observed the reference count keeps going up. After the fix $ sudo $TC actions add action drop index 10 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 1 bind 0 installed 4 sec used 4 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 1 bind 0 installed 6 sec used 6 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 $ sudo $TC qdisc add dev lo ingress $ sudo $TC filter add dev lo parent ffff: protocol ip prio 1 \ u32 match ip dst 127.0.0.1/32 flowid 1:1 action gact index 10 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 2 bind 1 installed 32 sec used 32 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 $ sudo $TC -s actions get action gact index 10 action order 1: gact action drop random type none pass val 0 index 10 ref 2 bind 1 installed 33 sec used 33 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 Fixes: aecc5cefc389 ("net sched actions: fix GETing actions") Signed-off-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-17powerpc/mm: Fix memory hotplug BUG() on radixReza Arbab3-2/+24
Memory hotplug is leading to hash page table calls, even on radix: arch_add_memory create_section_mapping htab_bolt_mapping BUG_ON(!ppc_md.hpte_insert); To fix, refactor {create,remove}_section_mapping() into hash__ and radix__ variants. Leave the radix versions stubbed for now. Reviewed-by: Aneesh Kumar K.V <[email protected]> Acked-by: Balbir Singh <[email protected]> Signed-off-by: Reza Arbab <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
2017-01-16scsi: libfc: Fix variable name in fc_set_wwpnFam Zheng1-3/+3
The parameter name should be wwpn instead of wwnn. Signed-off-by: Fam Zheng <[email protected]> Acked-by: Johannes Thumshirn <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2017-01-16Merge tag 'nfs-for-4.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds2-12/+18
Pull NFS client bugfixes from Trond Myklebust: - fix invalid fget()/fput() calls when doing file locking - fix multiple directory cache invalidation issues due to the client failing to recognise that the directory wasn't changed - fix client recovery when server reboots multiple times * tag 'nfs-for-4.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4: Fix client recovery when server reboots multiple times NFSv4: update_changeattr should update the attribute timestamp NFSv4: Don't call update_changeattr() unless the unlink is successful NFSv4: Don't apply change_info4 twice on rename within a directory NFSv4: Call update_changeattr() from _nfs4_proc_open only if a file was created nfs: Don't take a reference on fl->fl_file for LOCK operation
2017-01-16Merge branch 'mlx4-core-fixes'David S. Miller3-29/+37
Tariq Toukan says: ==================== mlx4 core fixes This patchset contains bug fixes from Jack to the mlx4 Core driver. Patch 1 solves a race in the flow of CQ free. Patch 2 moves some qp context flags update to the correct qp transition. Patch 3 eliminates warnings from the path of SRQ_LIMIT that flood the message log, and keeps them only in the path of SRQ_CATAS_ERROR. Series generated against net commit: 1a717fcf8bbe Merge tag 'mac80211-for-davem-2017-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 ==================== Signed-off-by: David S. Miller <[email protected]>
2017-01-16net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOVJack Morgenstein1-9/+14
When running SRIOV, warnings for SRQ LIMIT events flood the Hypervisor's message log when (correct, normally operating) apps use SRQ LIMIT events as a trigger to post WQEs to SRQs. Add more information to the existing debug printout for SRQ_LIMIT, and output the warning messages only for the SRQ CATAS ERROR event. Fixes: acba2420f9d2 ("mlx4_core: Add wrapper functions and comm channel and slave event support to EQs") Fixes: e0debf9cb50d ("mlx4_core: Reduce warning message for SRQ_LIMIT event to debug level") Signed-off-by: Jack Morgenstein <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16net/mlx4_core: Fix when to save some qp context flags for dynamic VST to VGT ↵Jack Morgenstein1-2/+3
transitions Save the qp context flags byte containing the flag disabling vlan stripping in the RESET to INIT qp transition, rather than in the INIT to RTR transition. Per the firmware spec, the flags in this byte are active in the RESET to INIT transition. As a result of saving the flags in the incorrect qp transition, when switching dynamically from VGT to VST and back to VGT, the vlan remained stripped (as is required for VST) and did not return to not-stripped (as is required for VGT). Fixes: f0f829bf42cd ("net/mlx4_core: Add immediate activate for VGT->VST->VGT") Signed-off-by: Jack Morgenstein <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16net/mlx4_core: Fix racy CQ (Completion Queue) freeJack Morgenstein1-18/+20
In function mlx4_cq_completion() and mlx4_cq_event(), the radix_tree_lookup requires a rcu_read_lock. This is mandatory: if another core frees the CQ, it could run the radix_tree_node_rcu_free() call_rcu() callback while its being used by the radix tree lookup function. Additionally, in function mlx4_cq_event(), since we are adding the rcu lock around the radix-tree lookup, we no longer need to take the spinlock. Also, the synchronize_irq() call for the async event eliminates the need for incrementing the cq reference count in mlx4_cq_event(). Other changes: 1. In function mlx4_cq_free(), replace spin_lock_irq with spin_lock: we no longer take this spinlock in the interrupt context. The spinlock here, therefore, simply protects against different threads simultaneously invoking mlx4_cq_free() for different cq's. 2. In function mlx4_cq_free(), we move the radix tree delete to before the synchronize_irq() calls. This guarantees that we will not access this cq during any subsequent interrupts, and therefore can safely free the CQ after the synchronize_irq calls. The rcu_read_lock in the interrupt handlers only needs to protect against corrupting the radix tree; the interrupt handlers may access the cq outside the rcu_read_lock due to the synchronize_irq calls which protect against premature freeing of the cq. 3. In function mlx4_cq_event(), we change the mlx_warn message to mlx4_dbg. 4. We leave the cq reference count mechanism in place, because it is still needed for the cq completion tasklet mechanism. Fixes: 6d90aa5cf17b ("net/mlx4_core: Make sure there are no pending async events when freeing CQ") Fixes: 225c7b1feef1 ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters") Signed-off-by: Jack Morgenstein <[email protected]> Signed-off-by: Matan Barak <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16net: stmmac: don't use netdev_[dbg, info, ..] before net_device is registeredHeiner Kallweit1-9/+10
Don't use netdev_info and friends before the net_device is registered. This avoids ugly messages like "meson8b-dwmac c9410000.ethernet (unnamed net_device) (uninitialized): Enable RX Mitigation via HW Watchdog Timer" Signed-off-by: Heiner Kallweit <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16net/mlx5e: Fix a -Wmaybe-uninitialized warningArnd Bergmann1-4/+7
As found by Olof's build bot, we gain a harmless warning about a potential uninitialized variable reference in mlx5: drivers/net/ethernet/mellanox/mlx5/core/en_tc.c: In function 'parse_tc_fdb_actions': drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:769:13: warning: 'out_dev' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:811:21: note: 'out_dev' was declared here This was introduced through the addition of an 'IS_ERR/PTR_ERR' pair that gcc is unfortunately unable to completely figure out. The problem being gcc cannot tell that if(IS_ERR()) in mlx5e_route_lookup_ipv4() is equivalent to checking if(err) later, so it assumes that 'out_dev' is used after the 'return PTR_ERR(rt)'. The PTR_ERR_OR_ZERO() case by comparison is fairly easy to detect by gcc, so it can't get that wrong, so it no longer warns. Hadar Hen Zion already attempted to fix the warning earlier by adding fake initializations, but that ended up not fully addressing all warnings, so I'm reverting it now that it is no longer needed. Link: http://arm-soc.lixom.net/buildlogs/mainline/v4.10-rc3-98-gcff3b2c/ Fixes: a42485eb0ee4 ("net/mlx5e: TC ipv4 tunnel encap offload error flow fixes") Fixes: a757d108dc1a ("net/mlx5e: Fix kbuild warnings for uninitialized parameters") Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Or Gerlitz <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16ax25: Fix segfault after sock connection timeoutBasil Gunn1-1/+1
The ax.25 socket connection timed out & the sock struct has been previously taken down ie. sock struct is now a NULL pointer. Checking the sock_flag causes the segfault. Check if the socket struct pointer is NULL before checking sock_flag. This segfault is seen in timed out netrom connections. Please submit to -stable. Signed-off-by: Basil Gunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16bpf: rework prog_digest into prog_tagDaniel Borkmann9-21/+24
Commit 7bd509e311f4 ("bpf: add prog_digest and expose it via fdinfo/netlink") was recently discussed, partially due to admittedly suboptimal name of "prog_digest" in combination with sha1 hash usage, thus inevitably and rightfully concerns about its security in terms of collision resistance were raised with regards to use-cases. The intended use cases are for debugging resp. introspection only for providing a stable "tag" over the instruction sequence that both kernel and user space can calculate independently. It's not usable at all for making a security relevant decision. So collisions where two different instruction sequences generate the same tag can happen, but ideally at a rather low rate. The "tag" will be dumped in hex and is short enough to introspect in tracepoints or kallsyms output along with other data such as stack trace, etc. Thus, this patch performs a rename into prog_tag and truncates the tag to a short output (64 bits) to make it obvious it's not collision-free. Should in future a hash or facility be needed with a security relevant focus, then we can think about requirements, constraints, etc that would fit to that situation. For now, rework the exposed parts for the current use cases as long as nothing has been released yet. Tested on x86_64 and s390x. Fixes: 7bd509e311f4 ("bpf: add prog_digest and expose it via fdinfo/netlink") Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Alexei Starovoitov <[email protected]> Cc: Andy Lutomirski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-01-16perf probe: Fix to probe on gcc generated functions in modulesMasami Hiramatsu3-18/+37
Fix to probe on gcc generated functions on modules. Since probing on a module is based on its symbol name, it should be adjusted on actual symbols. E.g. without this fix, perf probe shows probe definition on non-exist symbol as below. $ perf probe -m build-x86_64/net/netfilter/nf_nat.ko -F in_range* in_range.isra.12 $ perf probe -m build-x86_64/net/netfilter/nf_nat.ko -D in_range p:probe/in_range nf_nat:in_range+0 With this fix, perf probe correctly shows a probe on gcc-generated symbol. $ perf probe -m build-x86_64/net/netfilter/nf_nat.ko -D in_range p:probe/in_range nf_nat:in_range.isra.12+0 This also fixes same problem on online module as below. $ perf probe -m i915 -D assert_plane p:probe/assert_plane i915:assert_plane.constprop.134+0 Signed-off-by: Masami Hiramatsu <[email protected]> Tested-by: Arnaldo Carvalho de Melo <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/148411450673.9978.14905987549651656075.stgit@devbox Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2017-01-16perf probe: Add error checks to offline probe post-processingMasami Hiramatsu1-17/+33
Add error check codes on post processing and improve it for offline probe events as: - post processing fails if no matched symbol found in map(-ENOENT) or strdup() failed(-ENOMEM). - Even if the symbol name is the same, it updates symbol address and offset. Signed-off-by: Masami Hiramatsu <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/148411443738.9978.4617979132625405545.stgit@devbox Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2017-01-16tipc: allocate user memory with GFP_KERNEL flagParthasarathy Bhuvaragan5-13/+13
Until now, we allocate memory always with GFP_ATOMIC flag. When the system is under memory pressure and a user tries to send, the send fails due to low memory. However, the user application can wait for free memory if we allocate it using GFP_KERNEL flag. In this commit, we use allocate memory with GFP_KERNEL for all user allocation. Reported-by: Rune Torgersen <[email protected]> Acked-by: Jon Maloy <[email protected]> Signed-off-by: Parthasarathy Bhuvaragan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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