- 14 May, 2017 40 commits
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Eric Dumazet authored
[ Upstream commit 7162fb24 ] Andrey found a way to trigger the WARN_ON_ONCE(delta < len) in skb_try_coalesce() using syzkaller and a filter attached to a TCP socket over loopback interface. I believe one issue with looped skbs is that tcp_trim_head() can end up producing skb with under estimated truesize. It hardly matters for normal conditions, since packets sent over loopback are never truncated. Bytes trimmed from skb->head should not change skb truesize, since skb->head is not reallocated. Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
Andrey Konovalov <andreyknvl@google.com> Tested-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Takashi Iwai authored
commit ab949d51 upstream. Imre Deak reported a deadlock of HD-audio driver at unbinding while it's still in probing. Since we probe the codecs asynchronously in a work, the codec driver probe may still be kicked off while the controller itself is being unbound. And, azx_remove() tries to process all pending tasks via cancel_work_sync() for fixing the other races (see commit [0b8c8219: ALSA: hda - Cancel probe work instead of flush at remove]), now we may meet a bizarre deadlock: Unbind snd_hda_intel via sysfs: device_release_driver() -> device_lock(snd_hda_intel) -> azx_remove() -> cancel_work_sync(azx_probe_work) azx_probe_work(): codec driver probe() -> __driver_attach() -> device_lock(snd_hda_intel) This deadlock is caused by the fact that both device_release_driver() and driver_probe_device() take both the device and its parent locks at the same time. The codec device sets the controller device as its parent, and this lock is taken before the probe() callback is called, while the controller remove() callback gets called also with the same lock. In this patch, as an ugly workaround, we unlock the controller device temporarily during cancel_work_sync() call. The race against another bind call should be still suppressed by the parent's device lock. Reported-by:
Imre Deak <imre.deak@intel.com> Fixes: 0b8c8219 ("ALSA: hda - Cancel probe work instead of flush at remove") Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Arnd Bergmann authored
commit 4f344506 upstream. The probe function is not marked __init, but some other functions are. This leads to a warning on older compilers (e.g. gcc-4.3), and can cause executing freed memory when built with those compilers: WARNING: drivers/staging/emxx_udc/emxx_udc.o(.text+0x2d78): Section mismatch in reference from the function nbu2ss_drv_probe() to the function .init.text:nbu2ss_drv_contest_init() This removes the annotations. Fixes: 33aa8d45 ("staging: emxx_udc: Add Emma Mobile USB Gadget driver") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Igor Pylypiv authored
commit 2c474b85 upstream. Conversion macros le16_to_cpu was removed and that caused new sparse warning sparse output: drivers/staging/wlan-ng/p80211netdev.c:241:44: warning: incorrect type in argument 2 (different base types) drivers/staging/wlan-ng/p80211netdev.c:241:44: expected unsigned short [unsigned] [usertype] fc drivers/staging/wlan-ng/p80211netdev.c:241:44: got restricted __le16 [usertype] fc Fixes: 7ad82572 ("staging:wlan-ng:Fix sparse warning") Signed-off-by:
Igor Pylypiv <igor.pylypiv@gmail.com> Signed-off-by:
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James Hughes authored
commit 9cc4b7cb upstream. The driver was making changes to the skb_header without ensuring it was writable (i.e. uncloned). This patch also removes some boiler plate header size checking/adjustment code as that is also handled by the skb_cow_header function used to make header writable. Signed-off-by:
James Hughes <james.hughes@raspberrypi.org> Acked-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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James Hughes authored
commit 455a1eb4 upstream. The incoming skb header may be resized if header space is insufficient, which might change the data adddress in the skb. Ensure that a cached pointer to that data is correctly set by moving assignment to after any possible changes. Signed-off-by:
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Leonid Yegoshin authored
commit d65e5677 upstream. MIPS instructions MULTU, MADDU and MSUBU emulation requires registers HI/LO to be converted to signed 32bits before 64bit sign extension on MIPS64. Bug was found on running MIPS32 R2 test application on MIPS64 R6 kernel. Fixes: b0a668fb ("MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6") Signed-off-by:
Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Reported-by: Nikola.Veljkovic@imgtec.com Cc: paul.burton@imgtec.com Cc: yamada.masahiro@socionext.com Cc: akpm@linux-foundation.org Cc: andrea.gelmini@gelma.net Cc: macro@imgtec.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14043/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Finn Thain authored
commit 2559a1ef upstream. The mac_scsi driver still gets disabled when SCSI=m. This should have been fixed back when I enabled the tristate but I didn't see the bug. Fixes: 6e9ae6d5 ("[PATCH] mac_scsi: Add module option to Kconfig") Signed-off-by:
Finn Thain <fthain@telegraphics.com.au> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Tony Lindgren authored
commit 4e0f5cc6 upstream. Otherwise the interconnect related code implementing PM runtime will produce these errors on a failed probe: omap_uart 48066000.serial: omap_device: omap_device_enable() called from invalid state 1 omap_uart 48066000.serial: use pm_runtime_put_sync_suspend() in driver? Note that we now also need to check for priv in omap8250_runtime_suspend() as it has not yet been registered if probe fails. And we need to use pm_runtime_put_sync() to properly idle the device like we already do in omap8250_remove(). Fixes: 61929cf0 ("tty: serial: Add 8250-core based omap driver") Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Stephen Boyd authored
commit 1a09b6a7 upstream. We get the following compile errors if EXTCON is enabled as a module but this driver is builtin: drivers/built-in.o: In function `qcom_usb_hs_phy_power_off': phy-qcom-usb-hs.c:(.text+0x1089): undefined reference to `extcon_unregister_notifier' drivers/built-in.o: In function `qcom_usb_hs_phy_probe': phy-qcom-usb-hs.c:(.text+0x11b5): undefined reference to `extcon_get_edev_by_phandle' drivers/built-in.o: In function `qcom_usb_hs_phy_power_on': phy-qcom-usb-hs.c:(.text+0x128e): undefined reference to `extcon_get_state' phy-qcom-usb-hs.c:(.text+0x12a9): undefined reference to `extcon_register_notifier' so let's mark this as needing to follow the modular status of the extcon framework. Fixes: 9994a338 e2427b09 (phy: Add support for Qualcomm's USB HS phy") Signed-off-by:
Stephen Boyd <stephen.boyd@linaro.org> Signed-off-by:
Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by:
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Johan Hovold authored
commit 3c0e25d8 upstream. Make sure to detect short control-message transfers and log an error when reading incomplete manufacturer and boot descriptors. Note that the default all-zero descriptors will now be used after a short transfer is detected instead of partially initialised ones. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Johan Hovold authored
commit 36356a66 upstream. Make sure to detect short control-message transfers so that errors are logged when reading the modem status at open. Note that while this also avoids initialising the modem status using uninitialised heap data, these bits could not leak to user space as they are currently not used. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
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Johan Hovold authored
commit 8c34cb8d upstream. Make sure to detect short control-message transfers when fetching modem and line state in open and when retrieving registers. This specifically makes sure that an errno is returned to user space on errors in TIOCMGET instead of a zero bitmask. Also drop the unused getdevice function which also lacked appropriate error handling. Fixes: f7a33e60 ("USB: serial: add quatech2 usb to serial driver") Reviewed-by:
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Johan Hovold authored
commit e3e574ad upstream. Make sure to detect short responses when reading the latency timer to avoid using stale buffer data. Note that no heap data would currently leak through sysfs as ASYNC_LOW_LATENCY is set by default. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
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Johan Hovold authored
commit b631433b upstream. Fix open error handling which failed to detect errors when reading the MSR and LSR registers, something which could lead to the shadow registers being initialised from errnos. Note that calling the generic close implementation is sufficient in the error paths as the interrupt urb has not yet been submitted and the register updates have not been made. Fixes: f4c1e8d5 ("USB: ark3116: Make existing functions 16450-aware and add close and release functions.") Reviewed-by:
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Johan Hovold authored
commit 39712e8b upstream. Make sure to detect and return an error on zero-length control-message transfers when reading from the device. This addresses a potential failure to detect an empty transmit buffer during close. Also remove a redundant check for short transfer when sending a command. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
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Johan Hovold authored
commit e4457d97 upstream. Use a dedicated buffer for the DMA transfer and make sure to detect short transfers to avoid parsing a corrupt descriptor. Fixes: 6e8cf775 ("USB: add EPIC support to the io_edgeport driver") Reviewed-by:
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Johan Hovold authored
commit 1eac5c24 upstream. Make sure to detect short control-message transfers rather than continue with zero-initialised data when retrieving modem status and during device initialisation. Fixes: 52af9545 ("USB: add USB serial ssu100 driver") Reviewed-by:
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Johan Hovold authored
commit 1b0aed2b upstream. Make sure the received data has the required headers before parsing it. Also drop the redundant urb-status check, which has already been handled by the caller. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
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Johan Hovold authored
commit c528fcb1 upstream. Make sure to check for short transfers before parsing the receive buffer to avoid acting on stale data. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by:
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Stephen Boyd authored
commit a89b94b5 upstream. We're currently emulating the vbus and id interrupts in the OTGSC read API, but we also need to make sure that if we're handling the events with extcon that we don't enable the interrupts for those events in the hardware. Therefore, properly emulate this register if we're using extcon, but don't enable the interrupts. This allows me to get my cable connect/disconnect working properly without getting spurious interrupts on my device that uses an extcon for these two events. Acked-by:
Peter Chen <peter.chen@nxp.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Ivan T. Ivanov" <iivanov.xz@gmail.com> Fixes: 3ecb3e09 ("usb: chipidea: Use extcon framework for VBUS and ID detect") Signed-off-by:
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Stephen Boyd authored
commit f60f8ccd upstream. With the id and vbus detection done via extcon we need to make sure we poll the status of OTGSC properly by considering what the extcon is saying, and not just what the register is saying. Let's move this hw_wait_reg() function to the only place it's used and simplify it for polling the OTGSC register. Then we can make certain we only use the hw_read_otgsc() API to read OTGSC, which will make sure we properly handle extcon events. Acked-by:
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Krzysztof Kozlowski authored
commit 68bd6fc3 upstream. Returning from for_each_available_child_of_node() loop requires cleaning up node refcount. Error paths lacked it so for example in case of deferred probe, the refcount of phy node was left increased. Fixes: 6d40500a ("usb: ehci/ohci-exynos: Fix of_node_put() for child when getting PHYs") Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Reviewed-by:
Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
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Krzysztof Kozlowski authored
commit 3f6026b1 upstream. Returning from for_each_available_child_of_node() loop requires cleaning up node refcount. Error paths lacked it so for example in case of deferred probe, the refcount of phy node was left increased. Fixes: 6d40500a ("usb: ehci/ohci-exynos: Fix of_node_put() for child when getting PHYs") Signed-off-by:
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Ladi Prosek authored
commit ab007cc9 upstream. The PML feature is not exposed to guests so we should not be forwarding the vmexit either. This commit fixes BSOD 0x20001 (HYPERVISOR_ERROR) when running Hyper-V enabled Windows Server 2016 in L1 on hardware that supports PML. Fixes: 843e4330 ("KVM: VMX: Add PML support in VMX") Signed-off-by:
Ladi Prosek <lprosek@redhat.com> Reviewed-by:
David Hildenbrand <david@redhat.com> Signed-off-by:
Radim Krčmář <rkrcmar@redhat.com> Signed-off-by:
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Ladi Prosek authored
commit 1fb883bb upstream. L2 was running with uninitialized PML fields which led to incomplete dirty bitmap logging. This manifested as all kinds of subtle erratic behavior of the nested guest. Fixes: 843e4330 ("KVM: VMX: Add PML support in VMX") Signed-off-by:
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Jim Mattson authored
commit 0b4c208d upstream. This reverts commit bc613494. A CPUID instruction executed in VMX non-root mode always causes a VM-exit, regardless of the leaf being queried. Fixes: bc613494 ("KVM: nested VMX: disable perf cpuid reporting") Signed-off-by:
Jim Mattson <jmattson@google.com> [The issue solved by bc613494 has been resolved with ff651cb6 ("KVM: nVMX: Add nested msr load/restore algorithm").] Signed-off-by:
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Andy Shevchenko authored
commit 80354c29 upstream. The interrupt line used for the watchdog is 12, according to the official Intel Edison BSP code. And indeed after fixing it we start getting an interrupt and thus the watchdog starts working again: [ 191.699951] Kernel panic - not syncing: Kernel Watchdog Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: David Cohen <david.a.cohen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 78a3bb9e ("x86: intel-mid: add watchdog platform code for Merrifield") Link: http://lkml.kernel.org/r/20170312150744.45493-1-andriy.shevchenko@linux.intel.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Masami Hiramatsu authored
commit 75013fb1 upstream. Fix to the exception table entry check by using probed address instead of the address of copied instruction. This bug may cause unexpected kernel panic if user probe an address where an exception can happen which should be fixup by __ex_table (e.g. copy_from_user.) Unless user puts a kprobe on such address, this doesn't cause any problem. This bug has been introduced years ago, by commit: 46484688 ("x86/kprobes: Fix a bug which can modify kernel code permanently"). Signed-off-by:
Masami Hiramatsu <mhiramat@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 46484688 ("x86/kprobes: Fix a bug which can modify kernel code permanently") Link: http://lkml.kernel.org/r/148829899399.28855.12581062400757221722.stgit@devboxSigned-off-by:
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Pierre-Louis Bossart authored
commit f35b6542 upstream. Fix Makefile for x86 support, dependency on CONFIG_COMMON_CLK was not explicit Fixes: 701190fd ('clk: x86: add support for Lynxpoint LPSS clocks') Signed-off-by:
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by:
Stephen Boyd <sboyd@codeaurora.org> Signed-off-by:
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Nikola Pajkovsky authored
commit 68dee8e2 upstream. commit 8fd524b3 ("x86: Kill bad_dma_address variable") has killed bad_dma_address variable and used instead of macro DMA_ERROR_CODE which is always zero. Since dma_addr is unsigned, the statement dma_addr >= DMA_ERROR_CODE is always true, and not needed. arch/x86/kernel/pci-calgary_64.c: In function ‘iommu_free’: arch/x86/kernel/pci-calgary_64.c:299:2: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] if (unlikely((dma_addr >= DMA_ERROR_CODE) && (dma_addr < badend))) { Fixes: 8fd524b3 ("x86: Kill bad_dma_address variable") Signed-off-by:
Nikola Pajkovsky <npajkovsky@suse.cz> Cc: iommu@lists.linux-foundation.org Cc: Jon Mason <jdmason@kudzu.us> Cc: Muli Ben-Yehuda <mulix@mulix.org> Link: http://lkml.kernel.org/r/7612c0f9dd7c1290407dbf8e809def922006920b.1479161177.git.npajkovsky@suse.czSigned-off-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Ruslan Ruslichenko authored
commit a9b4f087 upstream. commit d32932d0 removed the irq_retrigger callback from the IO-APIC chip and did not add it to the new IO-APIC-IR irq chip. There is no harm because the interrupts are resent in software when the retrigger callback is NULL, but it's less efficient. So restore them. [ tglx: Massaged changelog ] Fixes: d32932d0 ("x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces") Signed-off-by:
Ruslan Ruslichenko <rruslich@cisco.com> Cc: xe-linux-external@cisco.com Link: http://lkml.kernel.org/r/1484662432-13580-1-git-send-email-rruslich@cisco.comSigned-off-by:
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Ganapathi Bhat authored
commit a5b60de6 upstream. This patch fixes the issue specific to AP. AP is started with WEP security and external station is connected to it. Data path works in this case. Now if AP is restarted with WPA/WPA2 security, station is able to connect but ping fails. Driver skips the deletion of WEP keys if interface type is AP. Removing that redundant check resolves the issue. Fixes: e57f1734 ("mwifiex: add key material v2 support") Signed-off-by:
Ganapathi Bhat <gbhat@marvell.com> Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
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Xinming Hu authored
commit 5f0a221f upstream. We already ensure 64 bytes alignment and add padding if required during skb_aggr allocation. Alignment and padding in mwifiex_11n_form_amsdu_txpd() is redundant. We may end up accessing more data than allocated size with this. This patch fixes following issue by removing redundant padding. [ 370.241338] skbuff: skb_over_panic: text:ffffffffc046946a len:3550 put:72 head:ffff880000110000 data:ffff8800001100e4 tail:0xec2 end:0xec0 dev:<NULL> [ 370.241374] ------------[ cut here ]------------ [ 370.241382] kernel BUG at net/core/skbuff.c:104! 370.244032] Call Trace: [ 370.244041] [<ffffffff8c3df5ec>] skb_put+0x44/0x45 [ 370.244055] [<ffffffffc046946a>] mwifiex_11n_aggregate_pkt+0x1e9/0xa50 [mwifiex] [ 370.244067] [<ffffffffc0467c16>] mwifiex_wmm_process_tx+0x44a/0x6b7 [mwifiex] [ 370.244074] [<ffffffffc0411eb8>] ? 0xffffffffc0411eb8 [ 370.244084] [<ffffffffc046116b>] mwifiex_main_process+0x476/0x5a5 [mwifiex] [ 370.244098] [<ffffffffc0461298>] mwifiex_main_process+0x5a3/0x5a5 [mwifiex] [ 370.244113] [<ffffffff8be7e9ff>] process_one_work+0x1a4/0x309 [ 370.244123] [<ffffffff8be7f4ca>] worker_thread+0x20c/0x2ee [ 370.244130] [<ffffffff8be7f2be>] ? rescuer_thread+0x383/0x383 [ 370.244136] [<ffffffff8be7f2be>] ? rescuer_thread+0x383/0x383 [ 370.244143] [<ffffffff8be83742>] kthread+0x11c/0x124 [ 370.244150] [<ffffffff8be83626>] ? kthread_parkme+0x24/0x24 [ 370.244157] [<ffffffff8c4da1ef>] ret_from_fork+0x3f/0x70 [ 370.244168] [<ffffffff8be83626>] ? kthread_parkme+0x24/0x24 Fixes: 84b313b3 ("mwifiex: make tx packet 64 byte DMA aligned") Signed-off-by:
Xinming Hu <huxm@marvell.com> Signed-off-by:
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Brian Norris authored
commit 6183468a upstream. Similar to commit fcd2042e ("mwifiex: printk() overflow with 32-byte SSIDs"), we failed to account for the existence of 32-char SSIDs in our debugfs code. Unlike in that case though, we zeroed out the containing struct first, and I'm pretty sure we're guaranteed to have some padding after the 'ssid.ssid' and 'ssid.ssid_len' fields (the struct is 33 bytes long). So, this is the difference between: # cat /sys/kernel/debug/mwifiex/mlan0/info ... essid="0123456789abcdef0123456789abcdef " ... and the correct output: # cat /sys/kernel/debug/mwifiex/mlan0/info ... essid="0123456789abcdef0123456789abcdef" ... Fixes: 5e6e3a92 ("wireless: mwifiex: initial commit for Marvell mwifiex driver") Signed-off-by:
Brian Norris <briannorris@chromium.org> Signed-off-by:
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Matthijs van Duin authored
commit 448c077e upstream. 'adr' yields a data-pointer, not a function-pointer. Fixes: 999f934d ("ARM: omap5/dra7xx: Enable booting secondary CPU in HYP mode") Signed-off-by:
Matthijs van Duin <matthijsvanduin@gmail.com> Signed-off-by:
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Arnd Bergmann authored
commit cbe99c53 upstream. gcc gets confused about the control flow in ktd2692_parse_dt(), causing it to warn about what seems like a potential bug: drivers/leds/leds-ktd2692.c: In function 'ktd2692_probe': drivers/leds/leds-ktd2692.c:244:15: error: '*((void *)&led_cfg+8)' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/leds/leds-ktd2692.c:225:7: error: 'led_cfg.flash_max_microamp' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/leds/leds-ktd2692.c:232:3: error: 'led_cfg.movie_max_microamp' may be used uninitialized in this function [-Werror=maybe-uninitialized] The code is fine, and slightly reworking it in an equivalent way lets gcc figure that out too, which gets rid of the warning. Fixes: 77e7915b ("leds: ktd2692: Add missing of_node_put") Signed-off-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by:
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Liam Breck authored
commit ba52e757 upstream. Reading both fault and status registers and logging any fault should take priority over handling status register update. Fix by moving the status handling to later in interrupt routine. Fixes: d7bf353f ("bq24190_charger: Add support for TI BQ24190 Battery Charger") Signed-off-by:
Liam Breck <kernel@networkimprov.net> Acked-by:
Mark Greer <mgreer@animalcreek.com> Acked-by:
Sebastian Reichel <sre@kernel.org> Signed-off-by:
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Liam Breck authored
commit 68abfb80 upstream. Caching the fault register after a single I2C read may not keep an accurate value. Fix by doing two reads in irq_handle_thread() and using the cached value elsewhere. If a safety timer fault later clears itself, we apparently don't get an interrupt (INT), however other interrupts would refresh the register cache. From the data sheet: "When a fault occurs, the charger device sends out INT and keeps the fault state in REG09 until the host reads the fault register. Before the host reads REG09 and all the faults are cleared, the charger device would not send any INT upon new faults. In order to read the current fault status, the host has to read REG09 two times consecutively. The 1st reads fault register status from the last read [1] and the 2nd reads the current fault register status." [1] presumably a typo; should be "last fault" Fixes: d7bf353f ("bq24190_charger: Add support for TI BQ24190 Battery Charger") Signed-off-by:
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Liam Breck authored
commit 2d9fee6a upstream. We wrongly get uevents for bq24190-charger and bq24190-battery on every register change. Fix by checking the association with charger and battery before emitting uevent(s). Fixes: d7bf353f ("bq24190_charger: Add support for TI BQ24190 Battery Charger") Signed-off-by:
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