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2017-02-19Merge remote-tracking branches 'regulator/topic/max77802', ↵Mark Brown5-25/+25
'regulator/topic/max8907', 'regulator/topic/max8925', 'regulator/topic/max8952' and 'regulator/topic/palmas' into regulator-next
2017-02-19Merge remote-tracking branches 'regulator/topic/ltc3676', ↵Mark Brown5-12/+12
'regulator/topic/max14577', 'regulator/topic/max77620', 'regulator/topic/max77686' and 'regulator/topic/max77693' into regulator-next
2017-02-19Merge remote-tracking branches 'regulator/topic/cpcap', ↵Mark Brown9-9/+515
'regulator/topic/fan53555', 'regulator/topic/gpio', 'regulator/topic/hi655x' and 'regulator/topic/lp8755' into regulator-next
2017-02-19Merge remote-tracking branches 'regulator/topic/anatop', ↵Mark Brown7-15/+30
'regulator/topic/arizona', 'regulator/topic/as3711' and 'regulator/topic/bcm590xx' into regulator-next
2017-02-19Merge remote-tracking branches 'regulator/topic/88pm800', ↵Mark Brown5-7/+7
'regulator/topic/88pm8607', 'regulator/topic/aat2870', 'regulator/topic/act8945a' and 'regulator/topic/ad5938' into regulator-next
2017-02-19Merge remote-tracking branch 'regulator/topic/core' into regulator-nextMark Brown3-111/+110
2017-02-19Merge remote-tracking branches 'regulator/fix/debugfs' and ↵Mark Brown2-7/+8
'regulator/fix/tps65086' into regulator-linus
2017-02-19Merge remote-tracking branch 'regulator/fix/core' into regulator-linusMark Brown1-0/+10
2017-02-19Merge tag 'regulator-fix-v4.10-rc6' into regulator-linusMark Brown21-695/+1006
regulator: Fixes for v4.10 Three changes here, two run of the mill driver specific fixes and a change from Mark Rutland which reverts some new device specific ACPI binding code which was added during the merge window as there are concerns about this sending the wrong signal about usage of regulators in ACPI systems. # gpg: Signature made Fri 03 Feb 2017 11:48:10 GMT # gpg: using RSA key ADE668AA675718B59FE29FEA24D68B725D5487D0 # gpg: issuer "[email protected]" # gpg: key 0D9EACE2CD7BEEBC: no public key for trusted key - skipped # gpg: key 0D9EACE2CD7BEEBC marked as ultimately trusted # gpg: key CCB0A420AF88CD16: no public key for trusted key - skipped # gpg: key CCB0A420AF88CD16 marked as ultimately trusted # gpg: key 162614E316005C11: no public key for trusted key - skipped # gpg: key 162614E316005C11 marked as ultimately trusted # gpg: key A730C53A5621E907: no public key for trusted key - skipped # gpg: key A730C53A5621E907 marked as ultimately trusted # gpg: key 276568D75C6153AD: no public key for trusted key - skipped # gpg: key 276568D75C6153AD marked as ultimately trusted # gpg: Good signature from "Mark Brown <[email protected]>" [ultimate] # gpg: aka "Mark Brown <[email protected]>" [ultimate] # gpg: aka "Mark Brown <[email protected]>" [ultimate] # gpg: aka "Mark Brown <[email protected]>" [ultimate] # gpg: aka "Mark Brown <[email protected]>" [ultimate] # gpg: aka "Mark Brown <[email protected]>" [ultimate]
2017-02-19spi: spi-ti-qspi: Fix error handlingChristophe JAILLET1-1/+2
'dma_request_chan_by_mask()' can not return NULL. Try to keep the logic in 'no_dma:' by resetting 'qspi->rx_chan' in case of error. Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2017-02-19spi: spi-ti-qspi: Fix error handlingChristophe JAILLET1-1/+2
'dma_request_chan_by_mask()' can not return NULL. Try to keep the logic in 'no_dma:' by resetting 'qspi->rx_chan' in case of error. Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2017-02-19spi: lantiq-ssc: activate under COMPILE_TESTHauke Mehrtens1-1/+1
This driver should compile on all platforms, activate it under compile test. The Lantiq specific parts are under ifdef and should be removed when Lantiq platform supports common clock framework. Signed-off-by: Hauke Mehrtens <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2017-02-19spi: armada-3700: Remove spi_master_put in a3700_spi_remove()Wei Yongjun1-1/+0
The call to spi_master_put() in a3700_spi_remove() is redundant since the master is registered using devm_spi_register_master() and no reference hold by using spi_master_get() in a3700_spi_remove(). This is detected by Coccinelle semantic patch. Fixes: 5762ab71eb24 ("spi: Add support for Armada 3700 SPI Controller") Signed-off-by: Wei Yongjun <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2017-02-19irqchip/qcom: Fix error handlingChristophe JAILLET1-2/+2
'devm_ioremap()' returns NULL on error, not an error pointer. Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver") Signed-off-by: Christophe JAILLET <[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]>
2017-02-18ipv6: release dst on error in ip6_dst_lookup_tailWillem de Bruijn1-2/+4
If ip6_dst_lookup_tail has acquired a dst and fails the IPv4-mapped check, release the dst before returning an error. Fixes: ec5e3b0a1d41 ("ipv6: Inhibit IPv4-mapped src address on the wire.") Signed-off-by: Willem de Bruijn <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-02-18Merge tag 'fixes-for-linus' of ↵Linus Torvalds2-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "Two more bugfixes that came in during this week: - a defconfig change to enable a vital driver used on some Qualcomm based phones. This was already queued for 4.11, but the maintainer asked to have it in 4.10 after all. - a regression fix for the reset controller framework, this got broken by a typo in the 4.10 merge window" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: multi_v7_defconfig: enable Qualcomm RPMCC reset: fix shared reset triggered_count decrement on error
2017-02-18Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds2-13/+33
Pull ARM fixes from Russell King: "A couple of fixes from Kees concerning problems he spotted with our user access support" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8658/1: uaccess: fix zeroing of 64-bit get_user() ARM: 8657/1: uaccess: consistently check object sizes
2017-02-18Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Thomas Gleixner: "Make the build clean by working around yet another GCC stupidity" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vm86: Fix unused variable warning if THP is disabled
2017-02-18Merge branch 'locking-urgent-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Thomas Gleixner: "Move the futex init function to core initcall so user mode helper does not run into an uninitialized futex syscall" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Move futex_init() to core_initcall
2017-02-18Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds2-10/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "Two small fixes:: - Prevent deadlock on the tick broadcast lock. Found and fixed by Mike. - Stop using printk() in the timekeeping debug code to prevent a deadlock against the scheduler" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Use deferred printk() in debug code tick/broadcast: Prevent deadlock on tick_broadcast_lock
2017-02-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds5-31/+45
Pull networking fixes from David Miller: 1) Fix leak in dpaa_eth error paths, from Dan Carpenter. 2) Use after free when using IPV6_RECVPKTINFO, from Andrey Konovalov. 3) fanout_release() cannot be invoked from atomic contexts, from Anoob Soman. 4) Fix bogus attempt at lockdep annotation in IRDA. 5) dev_fill_metadata_dst() can OOP on a NULL dst cache pointer, from Paolo Abeni. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: irda: Fix lockdep annotations in hashbin_delete(). vxlan: fix oops in dev_fill_metadata_dst dccp: fix freeing skb too early for IPV6_RECVPKTINFO dpaa_eth: small leak on error packet: Do not call fanout_release from atomic contexts
2017-02-18printk: use rcuidle console tracepointSergey Senozhatsky1-1/+1
Use rcuidle console tracepoint because, apparently, it may be issued from an idle CPU: hw-breakpoint: Failed to enable monitor mode on CPU 0. hw-breakpoint: CPU 0 failed to disable vector catch =============================== [ ERR: suspicious RCU usage. ] 4.10.0-rc8-next-20170215+ #119 Not tainted ------------------------------- ./include/trace/events/printk.h:32 suspicious rcu_dereference_check() usage! other info that might help us debug this: RCU used illegally from idle CPU! rcu_scheduler_active = 2, debug_locks = 0 RCU used illegally from extended quiescent state! 2 locks held by swapper/0/0: #0: (cpu_pm_notifier_lock){......}, at: [<c0237e2c>] cpu_pm_exit+0x10/0x54 #1: (console_lock){+.+.+.}, at: [<c01ab350>] vprintk_emit+0x264/0x474 stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-rc8-next-20170215+ #119 Hardware name: Generic OMAP4 (Flattened Device Tree) console_unlock vprintk_emit vprintk_default printk reset_ctrl_regs dbg_cpu_pm_notify notifier_call_chain cpu_pm_exit omap_enter_idle_coupled cpuidle_enter_state cpuidle_enter_state_coupled do_idle cpu_startup_entry start_kernel This RCU warning, however, is suppressed by lockdep_off() in printk(). lockdep_off() increments the ->lockdep_recursion counter and thus disables RCU_LOCKDEP_WARN() and debug_lockdep_rcu_enabled(), which want lockdep to be enabled "current->lockdep_recursion == 0". Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Sergey Senozhatsky <[email protected]> Reported-by: Tony Lindgren <[email protected]> Tested-by: Tony Lindgren <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Acked-by: Steven Rostedt (VMware) <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tony Lindgren <[email protected]> Cc: Russell King <[email protected]> Cc: <[email protected]> [3.4+] Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2017-02-18ARM: multi_v7_defconfig: enable Qualcomm RPMCCAndy Gross1-0/+1
This patch enables the Qualcomm RPM based Clock Controller present on A-family boards. Signed-off-by: Andy Gross <[email protected]> Acked-by: Bjorn Andersson <[email protected]> Signed-off-by: Olof Johansson <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]>
2017-02-18hrtimer: Catch invalid clockids againMarc Zyngier1-5/+15
commit 82e88ff1ea94 ("hrtimer: Revert CLOCK_MONOTONIC_RAW support") removed unfortunately a sanity check in the hrtimer code which was part of that MONOTONIC_RAW patch series. It would have caught the bogus usage of CLOCK_MONOTONIC_RAW in the wireless code. So bring it back. It is way too easy to take any random clockid and feed it to the hrtimer subsystem. At best, it gets mapped to a monotonic base, but it would be better to just catch illegal values as early as possible. Detect invalid clockids, map them to CLOCK_MONOTONIC and emit a warning. [ tglx: Replaced the BUG by a WARN and gracefully map to CLOCK_MONOTONIC ] Signed-off-by: Marc Zyngier <[email protected]> Cc: Tomasz Nowicki <[email protected]> Cc: Christoffer Dall <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
2017-02-18MAINTAINERS: cpufreq: add bmips-cpufreq.cMarkus Mayer1-0/+7
Add maintainer information for bmips-cpufreq.c. Signed-off-by: Markus Mayer <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2017-02-18PM / QoS: Fix memory leak on resume_latency.notifiersJohn Keeping1-1/+1
Since commit 2d984ad132a8 (PM / QoS: Introcuce latency tolerance device PM QoS type) we reassign "c" to point at qos->latency_tolerance before freeing c->notifiers, but the notifiers field of latency_tolerance is never used. Restore the original behaviour of freeing the notifiers pointer on qos->resume_latency, which is used, and fix the following kmemleak warning. unreferenced object 0xed9dba00 (size 64): comm "kworker/0:1", pid 36, jiffies 4294670128 (age 15202.983s) hex dump (first 32 bytes): 00 00 00 00 04 ba 9d ed 04 ba 9d ed 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<c06f6084>] kmemleak_alloc+0x74/0xb8 [<c011c964>] kmem_cache_alloc_trace+0x170/0x25c [<c035f448>] dev_pm_qos_constraints_allocate+0x3c/0xe4 [<c035f574>] __dev_pm_qos_add_request+0x84/0x1a0 [<c035f6cc>] dev_pm_qos_add_request+0x3c/0x54 [<c03c3fc4>] usb_hub_create_port_device+0x110/0x2b8 [<c03b2a60>] hub_probe+0xadc/0xc80 [<c03bb050>] usb_probe_interface+0x1b4/0x260 [<c035773c>] driver_probe_device+0x198/0x40c [<c0357b14>] __device_attach_driver+0x8c/0x98 [<c0355bbc>] bus_for_each_drv+0x8c/0x9c [<c0357494>] __device_attach+0x98/0x138 [<c0357c64>] device_initial_probe+0x14/0x18 [<c03569dc>] bus_probe_device+0x30/0x88 [<c0354c54>] device_add+0x430/0x554 [<c03b92d8>] usb_set_configuration+0x660/0x6fc Fixes: 2d984ad132a8 (PM / QoS: Introcuce latency tolerance device PM QoS type) Signed-off-by: John Keeping <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2017-02-18PM / Documentation: Spelling s/wrtie/write/Geert Uytterhoeven1-1/+1
Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2017-02-18PM / sleep: Fix test_suspend after sleep state reworkGeert Uytterhoeven1-1/+1
When passing "test_suspend=mem" to the kernel: PM: can't test 'mem' suspend state and the suspend test is not run. Commit 406e79385f3223d8 ("PM / sleep: System sleep state selection interface rework") changed pm_labels[] from a contiguous NULL-terminated array to a sparse array (with the first element unpopulated), breaking the assumptions of the iterator in setup_test_suspend(). Iterate from PM_SUSPEND_MIN to PM_SUSPEND_MAX - 1 to fix this. Fixes: 406e79385f3223d8 (PM / sleep: System sleep state selection interface rework) Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2017-02-17irda: Fix lockdep annotations in hashbin_delete().David S. Miller1-18/+16
A nested lock depth was added to the hasbin_delete() code but it doesn't actually work some well and results in tons of lockdep splats. Fix the code instead to properly drop the lock around the operation and just keep peeking the head of the hashbin queue. Reported-by: Dmitry Vyukov <[email protected]> Tested-by: Dmitry Vyukov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-02-17Merge branch 'for-4.11/next' into for-4.11/linus-mergeJens Axboe171-2850/+2494
Signed-off-by: Jens Axboe <[email protected]>
2017-02-17Merge branch 'for-4.11/block' into for-4.11/linus-mergeJens Axboe68-2832/+7340
Signed-off-by: Jens Axboe <[email protected]>
2017-02-17Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds1-12/+13
Pull block layer fix from Jens Axboe: "A single fix for a lockdep splat reported by Thomas and Gabriel" * 'for-linus' of git://git.kernel.dk/linux-block: cfq-iosched: don't call wbt_disable_default() with IRQs disabled
2017-02-17vxlan: fix oops in dev_fill_metadata_dstPaolo Abeni1-2/+4
Since the commit 0c1d70af924b ("net: use dst_cache for vxlan device") vxlan_fill_metadata_dst() calls vxlan_get_route() passing a NULL dst_cache pointer, so the latter should explicitly check for valid dst_cache ptr. Unfortunately the commit d71785ffc7e7 ("net: add dst_cache to ovs vxlan lwtunnel") removed said check. As a result is possible to trigger a null pointer access calling vxlan_fill_metadata_dst(), e.g. with: ovs-vsctl add-br ovs-br0 ovs-vsctl add-port ovs-br0 vxlan0 -- set interface vxlan0 \ type=vxlan options:remote_ip=192.168.1.1 \ options:key=1234 options:dst_port=4789 ofport_request=10 ip address add dev ovs-br0 172.16.1.2/24 ovs-vsctl set Bridge ovs-br0 ipfix=@i -- --id=@i create IPFIX \ targets=\"172.16.1.1:1234\" sampling=1 iperf -c 172.16.1.1 -u -l 1000 -b 10M -t 1 -p 1234 This commit addresses the issue passing to vxlan_get_route() the dst_cache already available into the lwt info processed by vxlan_fill_metadata_dst(). Fixes: d71785ffc7e7 ("net: add dst_cache to ovs vxlan lwtunnel") Signed-off-by: Paolo Abeni <[email protected]> Acked-by: Jiri Benc <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-02-17nvme: Check for Security send/recv support before issuing commands.Scott Bauer4-1/+4
We need to verify that the controller supports the security commands before actually trying to issue them. Signed-off-by: Scott Bauer <[email protected]> [hch: moved the check so that we don't call into the OPAL code if not supported] Signed-off-by: Christoph Hellwig <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2017-02-17block/sed-opal: allocate struct opal_dev dynamicallyChristoph Hellwig6-140/+131
Insted of bloating the containing structure with it all the time this allocates struct opal_dev dynamically. Additionally this allows moving the definition of struct opal_dev into sed-opal.c. For this a new private data field is added to it that is passed to the send/receive callback. After that a lot of internals can be made private as well. Signed-off-by: Christoph Hellwig <[email protected]> Tested-by: Scott Bauer <[email protected]> Reviewed-by: Scott Bauer <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2017-02-17block/sed-opal: tone down not supported warningsChristoph Hellwig1-4/+4
Not having OPAL or a sub-feature supported is an entirely normal condition for many drives, so don't warn about it. Keep the messages, but tone them down to debug only. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Scott Bauer <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2017-02-17block: don't defer flushes on blk-mq + schedulingJens Axboe1-1/+7
For blk-mq with scheduling, we can potentially end up with ALL driver tags assigned and sitting on the flush queues. If we defer because of an inlfight data request, then we can deadlock if that data request doesn't already have a tag assigned. This fixes a deadlock with running the xfs/297 xfstest, where thousands of syncs can cause the drive queue to stall. Signed-off-by: Jens Axboe <[email protected]> Reviewed-by: Omar Sandoval <[email protected]>
2017-02-17blk-mq-sched: ask scheduler for work, if we failed dispatching leftoversJens Axboe1-3/+12
Usually we don't ask the scheduler for work, if we already have leftovers on the dispatch list. This is done to leave work on the scheduler side for as long as possible, for proper merging. But if we do have work leftover but didn't dispatch anything, then we should ask the scheduler since we could potentially issue requests from that. Signed-off-by: Jens Axboe <[email protected]> Reviewed-by: Omar Sandoval <[email protected]>
2017-02-17blk-mq: don't special case flush inserts for blk-mq-schedJens Axboe1-8/+10
The current request insertion machinery works just fine for directly inserting flushes, so no need to special case this anymore. Signed-off-by: Jens Axboe <[email protected]> Reviewed-by: Omar Sandoval <[email protected]>
2017-02-17blk-mq-sched: don't add flushes to the head of requeue queueJens Axboe1-1/+1
If we are currently out of driver tags, we don't want to add a new flush (without a tag) to the head of the requeue list. We want to add it to the back, behind the others that are potentially also waiting for a tag. Signed-off-by: Jens Axboe <[email protected]> Reviewed-by: Omar Sandoval <[email protected]>
2017-02-17blk-mq: have blk_mq_dispatch_rq_list() return if we queued IO or notJens Axboe1-1/+1
Currently we're almost there, but if we dispatch nothing, then we still return success. Signed-off-by: Jens Axboe <[email protected]> Reviewed-by: Omar Sandoval <[email protected]>
2017-02-17dccp: fix freeing skb too early for IPV6_RECVPKTINFOAndrey Konovalov1-1/+2
In the current DCCP implementation an skb for a DCCP_PKT_REQUEST packet is forcibly freed via __kfree_skb in dccp_rcv_state_process if dccp_v6_conn_request successfully returns. However, if IPV6_RECVPKTINFO is set on a socket, the address of the skb is saved to ireq->pktopts and the ref count for skb is incremented in dccp_v6_conn_request, so skb is still in use. Nevertheless, it gets freed in dccp_rcv_state_process. Fix by calling consume_skb instead of doing goto discard and therefore calling __kfree_skb. Similar fixes for TCP: fb7e2399ec17f1004c0e0ccfd17439f8759ede01 [TCP]: skb is unexpectedly freed. 0aea76d35c9651d55bbaf746e7914e5f9ae5a25d tcp: SYN packets are now simply consumed Signed-off-by: Andrey Konovalov <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-02-17Merge tag 'powerpc-4.10-5' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: "One fix from Paul: we can not use the radix MMU under a hypervisor for now. Although the code checked if the processor supports radix, that is not sufficient" * tag 'powerpc-4.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64: Disable use of radix under a hypervisor
2017-02-17Merge branch 'for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fix from Dmitry Torokhov: "Just a single change to Elan touchpad driver to recognize a new ACPI ID" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: elan_i2c - add ELAN0605 to the ACPI table
2017-02-17Merge branch 'i2c/for-current' of ↵Linus Torvalds2-35/+11
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fix from Wolfram Sang: "I2C has a revert to fix a regression" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: Revert "i2c: designware: detect when dynamic tar update is possible"
2017-02-17Merge tag 'mmc-v4.10-rc8' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fix from Ulf Hansson: "Fix multi-bit bus width without high-speed mode for MMC" * tag 'mmc-v4.10-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: core: fix multi-bit bus width without high-speed mode
2017-02-17Merge tag 'ntb-4.10-bugfixes' of git://github.com/jonmason/ntbLinus Torvalds3-4/+27
Pull NTB bugfixes frfom Jon Mason: "NTB bug fixes to address a crash when unloading the ntb module, a DMA engine unmap leak, allowing the proper queue choice, and clearing the SKX irq bit" * tag 'ntb-4.10-bugfixes' of git://github.com/jonmason/ntb: ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly ntb_transport: Pick an unused queue ntb: ntb_perf missing dmaengine_unmap_put NTB: ntb_transport: fix debugfs_remove_recursive
2017-02-17dpaa_eth: small leak on errorDan Carpenter1-1/+1
This should be >= instead of > here. It means that we don't increment the free count enough so it becomes off by one. Fixes: 9ad1a3749333 ("dpaa_eth: add support for DPAA Ethernet") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-02-17Merge tag 'reset-for-4.10-fixes' of https://git.pengutronix.de/git/pza/linux ↵Arnd Bergmann1-1/+1
into fixes Pull "Reset controller fixes for v4.10" from Philipp Zabel: - Remove erroneous negation of the error check of the reset function to decrement trigger_count in the error case, not on success. This fixes shared resets to actually only trigger once, as intended. * tag 'reset-for-4.10-fixes' of https://git.pengutronix.de/git/pza/linux: reset: fix shared reset triggered_count decrement on error
2017-02-17packet: Do not call fanout_release from atomic contextsAnoob Soman1-9/+22
Commit 6664498280cf ("packet: call fanout_release, while UNREGISTERING a netdev"), unfortunately, introduced the following issues. 1. calling mutex_lock(&fanout_mutex) (fanout_release()) from inside rcu_read-side critical section. rcu_read_lock disables preemption, most often, which prohibits calling sleeping functions. [ ] include/linux/rcupdate.h:560 Illegal context switch in RCU read-side critical section! [ ] [ ] rcu_scheduler_active = 1, debug_locks = 0 [ ] 4 locks held by ovs-vswitchd/1969: [ ] #0: (cb_lock){++++++}, at: [<ffffffff8158a6c9>] genl_rcv+0x19/0x40 [ ] #1: (ovs_mutex){+.+.+.}, at: [<ffffffffa04878ca>] ovs_vport_cmd_del+0x4a/0x100 [openvswitch] [ ] #2: (rtnl_mutex){+.+.+.}, at: [<ffffffff81564157>] rtnl_lock+0x17/0x20 [ ] #3: (rcu_read_lock){......}, at: [<ffffffff81614165>] packet_notifier+0x5/0x3f0 [ ] [ ] Call Trace: [ ] [<ffffffff813770c1>] dump_stack+0x85/0xc4 [ ] [<ffffffff810c9077>] lockdep_rcu_suspicious+0x107/0x110 [ ] [<ffffffff810a2da7>] ___might_sleep+0x57/0x210 [ ] [<ffffffff810a2fd0>] __might_sleep+0x70/0x90 [ ] [<ffffffff8162e80c>] mutex_lock_nested+0x3c/0x3a0 [ ] [<ffffffff810de93f>] ? vprintk_default+0x1f/0x30 [ ] [<ffffffff81186e88>] ? printk+0x4d/0x4f [ ] [<ffffffff816106dd>] fanout_release+0x1d/0xe0 [ ] [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0 2. calling mutex_lock(&fanout_mutex) inside spin_lock(&po->bind_lock). "sleeping function called from invalid context" [ ] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:620 [ ] in_atomic(): 1, irqs_disabled(): 0, pid: 1969, name: ovs-vswitchd [ ] INFO: lockdep is turned off. [ ] Call Trace: [ ] [<ffffffff813770c1>] dump_stack+0x85/0xc4 [ ] [<ffffffff810a2f52>] ___might_sleep+0x202/0x210 [ ] [<ffffffff810a2fd0>] __might_sleep+0x70/0x90 [ ] [<ffffffff8162e80c>] mutex_lock_nested+0x3c/0x3a0 [ ] [<ffffffff816106dd>] fanout_release+0x1d/0xe0 [ ] [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0 3. calling dev_remove_pack(&fanout->prot_hook), from inside spin_lock(&po->bind_lock) or rcu_read-side critical-section. dev_remove_pack() -> synchronize_net(), which might sleep. [ ] BUG: scheduling while atomic: ovs-vswitchd/1969/0x00000002 [ ] INFO: lockdep is turned off. [ ] Call Trace: [ ] [<ffffffff813770c1>] dump_stack+0x85/0xc4 [ ] [<ffffffff81186274>] __schedule_bug+0x64/0x73 [ ] [<ffffffff8162b8cb>] __schedule+0x6b/0xd10 [ ] [<ffffffff8162c5db>] schedule+0x6b/0x80 [ ] [<ffffffff81630b1d>] schedule_timeout+0x38d/0x410 [ ] [<ffffffff810ea3fd>] synchronize_sched_expedited+0x53d/0x810 [ ] [<ffffffff810ea6de>] synchronize_rcu_expedited+0xe/0x10 [ ] [<ffffffff8154eab5>] synchronize_net+0x35/0x50 [ ] [<ffffffff8154eae3>] dev_remove_pack+0x13/0x20 [ ] [<ffffffff8161077e>] fanout_release+0xbe/0xe0 [ ] [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0 4. fanout_release() races with calls from different CPU. To fix the above problems, remove the call to fanout_release() under rcu_read_lock(). Instead, call __dev_remove_pack(&fanout->prot_hook) and netdev_run_todo will be happy that &dev->ptype_specific list is empty. In order to achieve this, I moved dev_{add,remove}_pack() out of fanout_{add,release} to __fanout_{link,unlink}. So, call to {,__}unregister_prot_hook() will make sure fanout->prot_hook is removed as well. Fixes: 6664498280cf ("packet: call fanout_release, while UNREGISTERING a netdev") Reported-by: Eric Dumazet <[email protected]> Signed-off-by: Anoob Soman <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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