- 27 Aug, 2015 1 commit
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Madalin Bucur authored
The fixed link values parsed from the device tree are stored in the struct fixed_phy member status. The struct phy_device members speed, duplex were not updated. Signed-off-by:
Madalin Bucur <madalin.bucur@freescale.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 26 Aug, 2015 3 commits
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Eugene Shatokhin authored
It is needed to check EVENT_NO_RUNTIME_PM bit of dev->flags in usbnet_stop(), but its value should be read before it is cleared when dev->flags is set to 0. The problem was spotted and the fix was provided by Oliver Neukum <oneukum@suse.de>. Signed-off-by:
Eugene Shatokhin <eugene.shatokhin@rosalab.ru> Acked-by:
Oliver Neukum <oneukum@suse.com> Signed-off-by:
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Iyappan Subramanian authored
[ 1065.801569] Internal error: Oops: 96000006 [#1] SMP ... [ 1065.866655] Hardware name: AppliedMicro Mustang/Mustang, BIOS 1.1.0 Apr 22 2015 [ 1065.873937] Workqueue: events_power_efficient phy_state_machine [ 1065.879837] task: fffffe01de105e80 ti: fffffe00bcf18000 task.ti: fffffe00bcf18000 [ 1065.887288] PC is at linkwatch_fire_event+0xac/0xc0 [ 1065.892141] LR is at linkwatch_fire_event+0xa0/0xc0 [ 1065.896995] pc : [<fffffe000060284c>] lr : [<fffffe0000602840>] pstate: 200001c5 [ 1065.904356] sp : fffffe00bcf1bd00 ... [ 1066.196813] Call Trace: [ 1066.199248] [<fffffe000060284c>] linkwatch_fire_event+0xac/0xc0 [ 1066.205140] [<fffffe000061167c>] netif_carrier_off+0x54/0x64 [ 1066.210773] [<fffffe00004f1654>] phy_state_machine+0x120/0x3bc [ 1066.216578] [<fffffe00000d8d10>] process_one_work+0x15c/0x3a8 [ 1066.222296] [<fffffe00000d9090>] worker_thread+0x134/0x470 [ 1066.227757] [<fffffe00000df014>] kthread+0xe0/0xf8 [ 1066.232525] Code: 97f65ee9 f9420660 d538d082 8b000042 (885f7c40) The fix is to call phy_disconnect() from xgene_enet_mdio_remove, which in turn call cancel_delayed_work_sync(). Signed-off-by:
Iyappan Subramanian <isubramanian@apm.com> Signed-off-by:
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WANG Cong authored
In commit 1e052be6 ("net_sched: destroy proto tp when all filters are gone") I added a check in u32_destroy() to see if all real filters are gone for each tp, however, that is only done for root_ht, same is needed for others. This can be reproduced by the following tc commands: tc filter add dev eth0 parent 1:0 prio 5 handle 15: protocol ip u32 divisor 256 tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:2 u32 ht 15:2: match ip src 10.0.0.2 flowid 1:10 tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:3 u32 ht 15:2: match ip src 10.0.0.3 flowid 1:10 Fixes: 1e052be6 ("net_sched: destroy proto tp when all filters are gone") Reported-by:
Akshat Kakkar <akshat.1984@gmail.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
Cong Wang <cwang@twopensource.com> Signed-off-by:
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- 25 Aug, 2015 8 commits
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Russell King authored
Rather than re-initialising the entire completion on every mdio access, use reinit_completion() which only resets the completion count. This avoids possible reinitialisation of the contained spinlock and waitqueue while they may be in use (eg, mid-completion.) Such an event could occur if there's a long delay in interrupt handling causing the mdio accessor to time out, then a second access comes in while the interrupt handler on a different CPU has called complete(). Another scenario where this has been observed is while locking has been missing at the phy layer, allowing concurrent attempts to access the MDIO bus. Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
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Russell King authored
The phy layer is missing locking for the above two functions - it has been observed that two threads (userspace and the phy worker thread) can race, entering the bus ->write or ->read functions simultaneously. This causes the FEC driver to initialise a completion while another thread is waiting on it or while the interrupt is calling complete() on it, which causes spinlock unlock-without-lock, spinlock lockups, and completion timeouts. Fixes: a59a4d19 ("phy: add the EEE support and the way to access to the MMD registers.") Fixes: 0c1d77df ("net: libphy: Add phy specific function to access mmd phy registers") Signed-off-by:
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Marcelo Ricardo Leitner authored
Before 56ef9c90[1] it used to ignore all errors from igmp_join(). That commit enhanced that and made it error out whatever error happened with igmp_join(), but that's not good because when using multicast groups vxlan will try to join it multiple times if the socket is reused and then the 2nd and further attempts will fail with EADDRINUSE. As we don't track to which groups the socket is already subscribed, it's okay to just ignore that error. Fixes: 56ef9c90 ("vxlan: Move socket initialization to within rtnl scope") Reported-by:
John Nielsen <lists@jnielsen.net> Signed-off-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by:
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David S. Miller authored
Merge tag 'linux-can-fixes-for-4.2-20150825' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== this is the updated pull request of one patch by me for the peak_usb driver. It fixes the driver, so that non FD adapters don't provide CAN FD bittimings. ==================== Signed-off-by:
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Kazuya Mizuguchi authored
Currently the renesas ethernet driver directory is compiled if SH_ETH is configured rather than NET_VENDOR_RENESAS. Although incorrect that was quite harmless as until recently as SH_ETH configured the only driver in the renesas directory. However, as of c156633f ("Renesas Ethernet AVB driver proper") the renesas directory includes another driver, configured by RAVB, and it makes little sense for it to have a hidden dependency on SH_ETH. Signed-off-by:
Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com> [horms: rewrote changelog] Signed-off-by:
Simon Horman <horms+renesas@verge.net.au> Signed-off-by:
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huaibin Wang authored
When a tunnel is deleted, the cached dst entry should be released. This problem may prevent the removal of a netns (seen with a x-netns IPv6 gre tunnel): unregister_netdevice: waiting for lo to become free. Usage count = 3 CC: Dmitry Kozlov <xeb@mail.ru> Fixes: c12b395a ("gre: Support GRE over IPv6") Signed-off-by:
huaibin Wang <huaibin.wang@6wind.com> Signed-off-by:
Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by:
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David Daney authored
commit 18ee49dd ("phylib: rename mii_bus::dev to mii_bus::parent") changed the parent of PHY devices from the bus to the bus parent. Then, commit 4dea547f ("phylib: rework to prepare for OF registration of PHYs") moved the code into phy_device.c At this point, it is somewhat unclear why the change was seen as necessary. But, when we look at the device model tree in /sys/devices, it is clearly incorrect. The PHYs should be children of their MDIO bus. Change the PHY's parent device to be the MDIO bus device. Cc: Lennert Buytenhek <buytenh@wantstofly.org> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
David Daney <david.daney@cavium.com> Acked-by:
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Marc Kleine-Budde authored
The CAN FD data bittiming constants are provided via netlink only when there are valid CAN FD constants available in priv->data_bittiming_const. Due to the indirection of pointer assignments in the peak_usb driver the priv->data_bittiming_const never becomes NULL - not even for non-FD adapters. The data_bittiming_const points to zero'ed data which leads to this result when running 'ip -details link show can0': 35: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN mode DEFAULT group default qlen 10 link/can promiscuity 0 can state STOPPED restart-ms 0 pcan_usb: tseg1 1..16 tseg2 1..8 sjw 1..4 brp 1..64 brp-inc 1 : dtseg1 0..0 dtseg2 0..0 dsjw 1..0 dbrp 0..0 dbrp-inc 0 <== BROKEN! clock 8000000 This patch changes the struct peak_usb_adapter::bittiming_const and struct peak_usb_adapter::data_bittiming_const to pointers to fix the assignemnt problems. Cc: linux-stable <stable@vger.kernel.org> # >= 4.0 Reported-by:Oliver Hartkopp <socketcan@hartkopp.net> Tested-by:
Marc Kleine-Budde <mkl@pengutronix.de>
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- 24 Aug, 2015 3 commits
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David Ahern authored
Hit the following splat testing VRF change for ipsec: [ 113.475692] =============================== [ 113.476194] [ INFO: suspicious RCU usage. ] [ 113.476667] 4.2.0-rc6-1+deb7u2+clUNRELEASED #3.2.65-1+deb7u2+clUNRELEASED Not tainted [ 113.477545] ------------------------------- [ 113.478013] /work/monster-14/dsa/kernel.git/include/linux/rcupdate.h:568 Illegal context switch in RCU read-side critical section! [ 113.479288] [ 113.479288] other info that might help us debug this: [ 113.479288] [ 113.480207] [ 113.480207] rcu_scheduler_active = 1, debug_locks = 1 [ 113.480931] 2 locks held by setkey/6829: [ 113.481371] #0: (&net->xfrm.xfrm_cfg_mutex){+.+.+.}, at: [<ffffffff814e9887>] pfkey_sendmsg+0xfb/0x213 [ 113.482509] #1: (rcu_read_lock){......}, at: [<ffffffff814e767f>] rcu_read_lock+0x0/0x6e [ 113.483509] [ 113.483509] stack backtrace: [ 113.484041] CPU: 0 PID: 6829 Comm: setkey Not tainted 4.2.0-rc6-1+deb7u2+clUNRELEASED #3.2.65-1+deb7u2+clUNRELEASED [ 113.485422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5.1-0-g8936dbb-20141113_115728-nilsson.home.kraxel.org 04/01/2014 [ 113.486845] 0000000000000001 ffff88001d4c7a98 ffffffff81518af2 ffffffff81086962 [ 113.487732] ffff88001d538480 ffff88001d4c7ac8 ffffffff8107ae75 ffffffff8180a154 [ 113.488628] 0000000000000b30 0000000000000000 00000000000000d0 ffff88001d4c7ad8 [ 113.489525] Call Trace: [ 113.489813] [<ffffffff81518af2>] dump_stack+0x4c/0x65 [ 113.490389] [<ffffffff81086962>] ? console_unlock+0x3d6/0x405 [ 113.491039] [<ffffffff8107ae75>] lockdep_rcu_suspicious+0xfa/0x103 [ 113.491735] [<ffffffff81064032>] rcu_preempt_sleep_check+0x45/0x47 [ 113.492442] [<ffffffff8106404d>] ___might_sleep+0x19/0x1c8 [ 113.493077] [<ffffffff81064268>] __might_sleep+0x6c/0x82 [ 113.493681] [<ffffffff81133190>] cache_alloc_debugcheck_before.isra.50+0x1d/0x24 [ 113.494508] [<ffffffff81134876>] kmem_cache_alloc+0x31/0x18f [ 113.495149] [<ffffffff814012b5>] skb_clone+0x64/0x80 [ 113.495712] [<ffffffff814e6f71>] pfkey_broadcast_one+0x3d/0xff [ 113.496380] [<ffffffff814e7b84>] pfkey_broadcast+0xb5/0x11e [ 113.497024] [<ffffffff814e82d1>] pfkey_register+0x191/0x1b1 [ 113.497653] [<ffffffff814e9770>] pfkey_process+0x162/0x17e [ 113.498274] [<ffffffff814e9895>] pfkey_sendmsg+0x109/0x213 In pfkey_sendmsg the net mutex is taken and then pfkey_broadcast takes the RCU lock. Since pfkey_broadcast takes the RCU lock the allocation argument is pointless since GFP_ATOMIC must be used between the rcu_read_{,un}lock. The one call outside of rcu can be done with GFP_KERNEL. Fixes: 7f6b9dbd ("af_key: locking change") Signed-off-by:David Ahern <dsa@cumulusnetworks.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Jaedon Shin authored
Clean the dma flags of multiq ring buffer int the interface stop process. This patch fixes that the genet is not running while the interface is re-enabled. $ ifup eth0 - running after booting $ ifdown eth0 $ ifup eth0 - not running and occur tx_timeout The bcmgenet_dma_disable() in bcmgenet_open() do clean ring16 dma flag only. If the genet has multiq, the dma register is not cleaned. and bcmgenet_init_dma() is not done correctly. in case GENET_V2(tx_queues=4), tdma_ctrl has 0x1e after running bcmgenet_dma_disable(). Signed-off-by:
Jaedon Shin <jaedon.shin@gmail.com> Reviewed-by:
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Florian Fainelli authored
bcmgenet_timeout() executes in atomic context, yet we will invoke napi_disable() which does sleep. Looking back at the changes, disabling TX napi and re-enabling it is completely useless, since we reclaim all TX buffers and re-enable interrupts, and wake up the TX queues. Fixes: 13ea6578 ("net: bcmgenet: improve TX timeout") Signed-off-by:
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- 23 Aug, 2015 1 commit
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Ken-ichirou MATSUZAWA authored
I can't send netlink message via mmaped netlink socket since commit: a8866ff6 netlink: make the check for "send from tx_ring" deterministic msg->msg_iter.type is set to WRITE (1) at SYSCALL_DEFINE6(sendto, ... import_single_range(WRITE, ... iov_iter_init(1, WRITE, ... call path, so that we need to check the type by iter_is_iovec() to accept the WRITE. Signed-off-by:Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp> Signed-off-by:
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- 21 Aug, 2015 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management and ACPI fixes from Rafael Wysocki: "These fix a recent regression in the ACPI backlight code and a memory leak in the Exynos cpufreq driver. Specifics: - Fix a recently introduced issue in the ACPI backlight code which causes lockdep to complain about a circular lock dependency during initialization (Hans de Goede). - Fix a possible memory during initialization in the Exynos cpufreq driver (Shailendra Verma)" * tag 'pm+acpi-4.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: exynos: Fix for memory leak in case SoC name does not match ACPI / video: Fix circular lock dependency issue in the video-detect code
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- 20 Aug, 2015 7 commits
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Rafael J. Wysocki authored
* acpi-video: ACPI / video: Fix circular lock dependency issue in the video-detect code * cpufreq-fixes: cpufreq: exynos: Fix for memory leak in case SoC name does not match
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Out of bounds array access in 802.11 minstrel code, from Adrien Schildknecht. 2) Don't use skb_get() in IGMP/MLD code paths, as this makes pskb_may_pull() BUG. From Linus Luessing. 3) Fix off by one in ipv4 route dumping code, from Andy Whitcroft. 4) Fix deadlock in reqsk_queue_unlink(), from Eric Dumazet. 5) Fix ppp device deregistration wrt. netns deletion, from Guillaume Nault. 6) Fix deadlock when creating per-cpu ipv6 routes, from Martin KaFai Lau. 7) Fix memory leak in batman-adv code, from Sven Eckelmann. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: batman-adv: Fix memory leak on tt add with invalid vlan net: phy: fix semicolon.cocci warnings net: qmi_wwan: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module be2net: avoid vxlan offloading on multichannel configs ipv6: Fix a potential deadlock when creating pcpu rt ipv6: Add rt6_make_pcpu_route() ipv6: Remove un-used argument from ip6_dst_alloc() net: phy: workaround for buggy cable detection by LAN8700 after cable plugging net: ethernet: micrel: fix an error code ppp: fix device unregistration upon netns deletion net: phy: fix PHY_RUNNING in phy_state_machine Revert "net: limit tcp/udp rmem/wmem to SOCK_{RCV,SND}BUF_MIN" inet: fix potential deadlock in reqsk_queue_unlink() gianfar: Restore link state settings after MAC reset ipv4: off-by-one in continuation handling in /proc/net/route net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code mac80211: fix invalid read in minstrel_sort_best_tp_rates() -
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen build fix from David Vrabel: "Fix i386 build with an (uncommon) configuration" * tag 'for-linus-4.2-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: x86/xen: make CONFIG_XEN depend on CONFIG_X86_LOCAL_APIC
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Here are a small collecton of sound fix patches. The most significant one is the disablement of newly introduced topology API. Its ABI couldn't be stabilized enough, so we decided to delay for 4.3 in the end. Other than that, all oneliner fixes: a USB-audio runtime PM fix and a couple of HD-audio quirks" * tag 'sound-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Add dock support for Thinkpad W541 (17aa:2211) ALSA: usb-audio: Fix runtime PM unbalance ASoC: topology: Disable use from userspace ASoC: topology: Add Kconfig option for topology ALSA: hda - Fix the white noise on Dell laptop
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds authored
Pull SCSI target fixes from Nicholas Bellinger: "This contains a v4.2-rc specific RCU module unload regression bug-fix, a long-standing iscsi-target bug-fix for duplicate target_xfer_tags during NOP processing from Alexei, and two more small REPORT_LUNs emulation related patches to make Solaris FC host LUN scanning happy from Roland. There is also one patch not included that allows target-core to limit the number of fabric driver SGLs per I/O request using residuals, that is currently required as a work-around for FC hosts which don't honor EVPD block-limits settings. At this point, it will most likely become for-next material" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: Fix handling of small allocation lengths in REPORT LUNS target: REPORT LUNS should return LUN 0 even for dynamic ACLs target/iscsi: Fix double free of a TUR followed by a solicited NOPOUT target: Perform RCU callback barrier before backend/fabric unload
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git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermalLinus Torvalds authored
Pull thermal fixes from Eduardo Valentin: "Last minute fixes on the thermal-soc tree. There is a fix of a long lasting bug in cpu cooling device, thanks for RMK for being pushing this" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: thermal/cpu_cooling: update policy limits if clipped_freq < policy->max thermal/cpu_cooling: rename max_freq as clipped_freq in notifier thermal/cpu_cooling: rename cpufreq_val as clipped_freq thermal/cpu_cooling: convert 'switch' block to 'if' block in notifier thermal/cpu_cooling: quit early after updating policy thermal/cpu_cooling: No need to initialize max_freq to 0 thermal: cpu_cooling: fix lockdep problems in cpu_cooling thermal: power_allocator: do not use devm* interfaces
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David Vrabel authored
Since commit feb44f1f (x86/xen: Provide a "Xen PV" APIC driver to support >255 VCPUs) Xen guests need a full APIC driver and thus should depend on X86_LOCAL_APIC. This fixes an i386 build failure with !SMP && !CONFIG_X86_UP_APIC by disabling Xen support in this configuration. Users needing Xen support in a non-SMP i386 kernel will need to enable CONFIG_X86_UP_APIC. Signed-off-by:
David Vrabel <david.vrabel@citrix.com> Cc: <stable@vger.kernel.org>
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- 19 Aug, 2015 5 commits
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Takashi Iwai authored
Merge tag 'asoc-v4.2-disable-topology' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Disable topology support for v4.2 The topology code merged in the v4.2 merge window introduced a new ABI which was believed to be suitable for use but subsequently additional work by the developers of this feature have revealed some problems that need to be addressed. In order to allow this to be done without having to support the initial ABI add Kconfig to disable the build and also add some #error statements to the UAPI header so users can't use them.
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Rick Sherman authored
Tested with W541 and Ultra Dock 170w Signed-off-by:
Rick Sherman <rick@shermdog.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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Takashi Iwai authored
The fix for deadlock in PM in commit [1ee23fe0: ALSA: usb-audio: Fix deadlocks at resuming] introduced a new check of in_pm flag. However, the brainless patch author evaluated it in a wrong way (logical AND instead of logical OR), thus usb_autopm_get_interface() is wrongly called at probing, leading to unbalance of runtime PM refcount. This patch fixes it by correcting the logic. Reported-by:
Hans Yang <hansy@nvidia.com> Fixes: 1ee23fe0 ('ALSA: usb-audio: Fix deadlocks at resuming') Cc: <stable@vger.kernel.org> [v3.15+] Signed-off-by:
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Roland Dreier authored
REPORT LUNS should not fail just because the allocation length is less than 16. The relevant section of SPC-4 is: 4.2.5.6 Allocation length The ALLOCATION LENGTH field specifies the maximum number of bytes or blocks that an application client has allocated in the Data-In Buffer. The ALLOCATION LENGTH field specifies bytes unless a different requirement is stated in the command definition. An allocation length of zero specifies that no data shall be transferred. This condition shall not be considered an error. So we should just truncate our response rather than return an error. Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
Spencer Baugh <sbaugh@catern.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Sven Eckelmann authored
The object tt_local is allocated with kmalloc and not initialized when the function batadv_tt_local_add checks for the vlan. But this function can only cleanup the object when the (not yet initialized) reference counter of the object is 1. This is unlikely and thus the object would leak when the vlan could not be found. Instead the uninitialized object tt_local has to be freed manually and the pointer has to set to NULL to avoid calling the function which would try to decrement the reference counter of the not existing object. CID: 1316518 Fixes: 354136bc ("batman-adv: fix kernel crash due to missing NULL checks") Signed-off-by:
Sven Eckelmann <sven@narfation.org> Signed-off-by:
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- 18 Aug, 2015 4 commits
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fix from Vinod Koul: "We recently found issue with dma_request_slave_channel() API causing privatecnt value to go bad. This is fixed by balancing the privatecnt" * tag 'dmaengine-fix-4.2-rc8' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: fix balance of privatecnt inc/dec operations
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Mark Brown authored
Since the topology API is still in sufficient flux for changes to be identified disable the use of the userspace ABI by adding #error statements to the code, ensuring that nobody relies on the headers as currently defined. It is expected that this change will be reverted for v4.3. Signed-off-by:Mark Brown <broonie@kernel.org>
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "These came in late last week, I wanted to look over the mst one before forwarding, but it seems good. Just three i915 and one MST fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/i915: Commit planes on each crtc separately. drm/i915: calculate primary visibility changes instead of calling from set_config drm/i915: Only dither on 6bpc panels drm/dp/mst: Remove port after removing connector.
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Mark Brown authored
Allow the topology code to be compiled out so that users who don't need topology don't need to havve the code compiled in, saving them some memory. Some more configuration could be added to remove some of the hooks into the core data structures but that is probably best done with some refactoring to use functions to do the updates of the data structures rather than ifdefing in the code as we'd need to do at the minute. Suggested-by:
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- 17 Aug, 2015 7 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdmaLinus Torvalds authored
Pull rdma bugfix from Doug Ledford: "Bugfix in iw_cxgb4" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: iw_cxgb4: gracefully handle unknown CQE status errors
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libataLinus Torvalds authored
Pull libata fixes from Tejun Heo: "Three minor device-specific fixes and revert of NCQ autosense added during this -rc1. It turned out that NCQ autosense as currently implemented interferes with the usual error handling behavior. It will be revisited in the near future" * 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ata: ahci_brcmstb: Fix misuse of IS_ENABLED sata_sx4: Check return code from pdc20621_i2c_read() Revert "libata: Implement NCQ autosense" Revert "libata: Implement support for sense data reporting" Revert "libata-eh: Set 'information' field for autosense" ata: ahci_brcmstb: Fix warnings with CONFIG_PM_SLEEP=n
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroupLinus Torvalds authored
Pull cgroup fix from Tejun Heo: "A fix for a subtle bug introduced back during 3.17 cycle which interferes with setting configurations under specific conditions" * 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cpuset: use trialcs->mems_allowed as a temp variable
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kbuild test robot authored
drivers/net/phy/smsc.c:127:3-4: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci CC: Igor Plyatov <plyatov@gmail.com> Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
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David Ward authored
This is an HP-branded Sierra Wireless EM7355: https://bugzilla.redhat.com/show_bug.cgi?id=1223646#c2Signed-off-by:
David Ward <david.ward@ll.mit.edu> Signed-off-by:
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Ivan Vecera authored
VxLAN offloading is not functional if the NIC is running in multichannel mode (UMC, FLEX-10, VNIC...). Enabling this additionally kills whole connectivity through the NIC and the device needs to be down and up to restore it. The firmware should take care about it and does not allow the conversion of interface to tunnel type (be_cmd_manage_iface) or should support VxLAN offloading if multichannel config is enabled. I have tested this on the latest available firmware (10.6.144.21). Result: [root@sm-04 ~]# ip link set enp5s0f0 up[root@sm-04 ~]# ip addr add 172.30.10.50/24 dev enp5s0f0 [root@sm-04 ~]# ping -c 3 172.30.10.254PING 172.30.10.254 (172.30.10.254) 56(84) bytes of data. 64 bytes from 172.30.10.254: icmp_seq=1 ttl=64 time=0.317 ms 64 bytes from 172.30.10.254: icmp_seq=2 ttl=64 time=0.187 ms 64 bytes from 172.30.10.254: icmp_seq=3 ttl=64 time=0.188 ms --- 172.30.10.254 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.187/0.230/0.317/0.063 ms [root@sm-04 ~]# ip link add link enp5s0f0 vxlan10 type vxlan id 10 remote 172.30.10.60 dstport 4789 [root@sm-04 ~]# ip link set vxlan10 up [ 7900.442811] be2net 0000:05:00.0: Enabled VxLAN offloads for UDP port 4789 [ 7900.455722] be2net 0000:05:00.1: Enabled VxLAN offloads for UDP port 4789 [ 7900.468635] be2net 0000:05:00.2: Enabled VxLAN offloads for UDP port 4789 [ 7900.481553] be2net 0000:05:00.3: Enabled VxLAN offloads for UDP port 4789 [root@sm-04 ~]# ping -c 3 172.30.10.254 PING 172.30.10.254 (172.30.10.254) 56(84) bytes of data. --- 172.30.10.254 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 1999ms [root@sm-04 ~]# ip link set vxlan10 down [ 7959.434093] be2net 0000:05:00.0: Disabled VxLAN offloads for UDP port 4789 [ 7959.444792] be2net 0000:05:00.1: Disabled VxLAN offloads for UDP port 4789 [ 7959.455592] be2net 0000:05:00.2: Disabled VxLAN offloads for UDP port 4789 [ 7959.466416] be2net 0000:05:00.3: Disabled VxLAN offloads for UDP port 4789 [root@sm-04 ~]# ip link del vxlan10 [root@sm-04 ~]# ping -c 3 172.30.10.254 PING 172.30.10.254 (172.30.10.254) 56(84) bytes of data. --- 172.30.10.254 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 1999ms [root@sm-04 ~]# ip link set enp5s0f0 down [root@sm-04 ~]# ip link set enp5s0f0 up [ 8071.019003] be2net 0000:05:00.0 enp5s0f0: Link is Up [root@sm-04 ~]# ping -c 3 172.30.10.254 PING 172.30.10.254 (172.30.10.254) 56(84) bytes of data. 64 bytes from 172.30.10.254: icmp_seq=1 ttl=64 time=0.318 ms 64 bytes from 172.30.10.254: icmp_seq=2 ttl=64 time=0.196 ms 64 bytes from 172.30.10.254: icmp_seq=3 ttl=64 time=0.194 ms --- 172.30.10.254 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.194/0.236/0.318/0.057 ms Cc: Sathya Perla <sathya.perla@avagotech.com> Cc: Ajit Khaparde <ajit.khaparde@avagotech.com> Cc: Padmanabh Ratnakar <padmanabh.ratnakar@avagotech.com> Cc: Sriharsha Basavapatna <sriharsha.basavapatna@avagotech.com> Signed-off-by:
Ivan Vecera <ivecera@redhat.com> Acked-by:
Ajit Khaparde <ajit.khaparde@avagotech.com> Signed-off-by:
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David S. Miller authored
Martin KaFai Lau says: ==================== ipv6: Fix a potential deadlock when creating pcpu rt v1 -> v2: A minor change in the commit message of patch 2. This patch series fixes a potential deadlock when creating a pcpu rt. It happens when dst_alloc() decided to run gc. Something like this: read_lock(&table->tb6_lock); ip6_rt_pcpu_alloc() => dst_alloc() => ip6_dst_gc() => write_lock(&table->tb6_lock); /* oops */ Patch 1 and 2 are some prep works. Patch 3 is the fix. Original report: https://bugzilla.kernel.org/show_bug.cgi?id=102291 ==================== Signed-off-by:
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