- 12 Apr, 2016 7 commits
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Takashi Iwai authored
commit 4a07083e upstream. ALSA system timer backend stops the timer via del_timer() without sync and leaves del_timer_sync() at the close instead. This is because of the restriction by the design of ALSA timer: namely, the stop callback may be called from the timer handler, and calling the sync shall lead to a hangup. However, this also triggers a kernel BUG() when the timer is rearmed immediately after stopping without sync: kernel BUG at kernel/time/timer.c:966! Call Trace: <IRQ> [<ffffffff8239c94e>] snd_timer_s_start+0x13e/0x1a0 [<ffffffff8239e1f4>] snd_timer_interrupt+0x504/0xec0 [<ffffffff8122fca0>] ? debug_check_no_locks_freed+0x290/0x290 [<ffffffff8239ec64>] snd_timer_s_function+0xb4/0x120 [<ffffffff81296b72>] call_timer_fn+0x162/0x520 [<ffffffff81296add>] ? call_timer_fn+0xcd/0x520 [<ffffffff8239ebb0>] ? snd_timer_interrupt+0xec0/0xec0 .... It's the place where add_timer() checks the pending timer. It's clear that this may happen after the immediate restart without sync in our cases. So, the workaround here is just to use mod_timer() instead of add_timer(). This looks like a band-aid fix, but it's a right move, as snd_timer_interrupt() takes care of the continuous rearm of timer. Reported-by:
Jiri Slaby <jslaby@suse.cz> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Kamal Mostafa <kamal@canonical.com>
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Theodore Ts'o authored
commit daf647d2 upstream. With the internal Quota feature, mke2fs creates empty quota inodes and quota usage tracking is enabled as soon as the file system is mounted. Since quotacheck is no longer preallocating all of the blocks in the quota inode that are likely needed to be written to, we are now seeing a lockdep false positive caused by needing to allocate a quota block from inside ext4_map_blocks(), while holding i_data_sem for a data inode. This results in this complaint: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem); lock(&s->s_dquot.dqio_mutex); lock(&ei->i_data_sem); lock(&s->s_dquot.dqio_mutex); Google-Bug-Id: 27907753 Signed-off-by:
Theodore Ts'o <tytso@mit.edu> Signed-off-by:
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Oliver Neukum authored
commit 5a07975a upstream. The driver can be crashed with devices that expose crafted descriptors with too few endpoints. See: http://seclists.org/bugtraq/2016/Mar/61Signed-off-by:
Oliver Neukum <ONeukum@suse.com> [johan: fix OOB endpoint check and add error messages ] Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Oliver Neukum authored
commit c55aee1b upstream. An attack using missing endpoints exists. CVE-2016-3137 Signed-off-by:
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Oliver Neukum authored
commit 4e9a0b05 upstream. An attack using the lack of sanity checking in probe is known. This patch checks for the existence of a second port. CVE-2016-3136 Signed-off-by:
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Yoshihiro Shimoda authored
commit 6490865c upstream. This patch adds a code to surely disable TX IRQ of the pipe before starting TX DMAC transfer. Otherwise, a lot of unnecessary TX IRQs may happen in rare cases when DMAC is used. Fixes: e73a9891 ("usb: renesas_usbhs: add DMAEngine support") Signed-off-by:
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by:
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Yoshihiro Shimoda authored
commit 894f2fc4 upstream. When unexpected situation happened (e.g. tx/rx irq happened while DMAC is used), the usbhsf_pkt_handler() was possible to cause NULL pointer dereference like the followings: Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 80000007 [#1] SMP ARM Modules linked in: usb_f_acm u_serial g_serial libcomposite CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.5.0-rc6-00842-gac57066-dirty #63 Hardware name: Generic R8A7790 (Flattened Device Tree) task: c0729c00 ti: c0724000 task.ti: c0724000 PC is at 0x0 LR is at usbhsf_pkt_handler+0xac/0x118 pc : [<00000000>] lr : [<c03257e0>] psr: 60000193 sp : c0725db8 ip : 00000000 fp : c0725df4 r10: 00000001 r9 : 00000193 r8 : ef3ccab4 r7 : ef3cca10 r6 : eea4586c r5 : 00000000 r4 : ef19ceb4 r3 : 00000000 r2 : 0000009c r1 : c0725dc4 r0 : ef19ceb4 This patch adds a condition to avoid the dereference. Fixes: e73a9891 ("usb: renesas_usbhs: add DMAEngine support") Signed-off-by:
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- 11 Apr, 2016 8 commits
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Sebastian Siewior authored
commit 08a5bb29 upstream. hugepd_free() used __get_cpu_var() once. Nothing ensured that the code accessing the variable did not migrate from one CPU to another and soon this was noticed by Tiejun Chen in 94b09d75 ("powerpc/hugetlb: Replace __get_cpu_var with get_cpu_var"). So we had it fixed. Christoph Lameter was doing his __get_cpu_var() replaces and forgot PowerPC. Then he noticed this and sent his fixed up batch again which got applied as 69111bac ("powerpc: Replace __get_cpu_var uses"). The careful reader will noticed one little detail: get_cpu_var() got replaced with this_cpu_ptr(). So now we have a put_cpu_var() which does a preempt_enable() and nothing that does preempt_disable() so we underflow the preempt counter. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christoph Lameter <cl@linux.com> Signed-off-by:
Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Alex Deucher authored
commit a64663d9 upstream. bug: https://bugzilla.kernel.org/show_bug.cgi?id=115291Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Guenter Roeck authored
commit 3c2e2266 upstream. arm:pxa_defconfig can result in the following crash if the max1111 driver is not instantiated. Unhandled fault: page domain fault (0x01b) at 0x00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: : 1b [#1] PREEMPT ARM Modules linked in: CPU: 0 PID: 300 Comm: kworker/0:1 Not tainted 4.5.0-01301-g1701f680 #10 Hardware name: SHARP Akita Workqueue: events sharpsl_charge_toggle task: c390a000 ti: c391e000 task.ti: c391e000 PC is at max1111_read_channel+0x20/0x30 LR is at sharpsl_pm_pxa_read_max1111+0x2c/0x3c pc : [<c03aaab0>] lr : [<c0024b50>] psr: 20000013 ... [<c03aaab0>] (max1111_read_channel) from [<c0024b50>] (sharpsl_pm_pxa_read_max1111+0x2c/0x3c) [<c0024b50>] (sharpsl_pm_pxa_read_max1111) from [<c00262e0>] (spitzpm_read_devdata+0x5c/0xc4) [<c00262e0>] (spitzpm_read_devdata) from [<c0024094>] (sharpsl_check_battery_temp+0x78/0x110) [<c0024094>] (sharpsl_check_battery_temp) from [<c0024f9c>] (sharpsl_charge_toggle+0x48/0x110) [<c0024f9c>] (sharpsl_charge_toggle) from [<c004429c>] (process_one_work+0x14c/0x48c) [<c004429c>] (process_one_work) from [<c0044618>] (worker_thread+0x3c/0x5d4) [<c0044618>] (worker_thread) from [<c004a238>] (kthread+0xd0/0xec) [<c004a238>] (kthread) from [<c000a670>] (ret_from_fork+0x14/0x24) This can occur because the SPI controller driver (SPI_PXA2XX) is built as module and thus not necessarily loaded. While building SPI_PXA2XX into the kernel would make the problem disappear, it appears prudent to ensure that the driver is instantiated before accessing its data structures. Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Alex Deucher authored
commit f971f226 upstream. bug: https://bugs.freedesktop.org/show_bug.cgi?id=94692Signed-off-by:
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Bobi Mihalca authored
commit 83a9efb5 upstream. Apply the new fixup that is used for ASUS N750JV to another similar model, N500JV, too, for reducing the headphone noise. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115181Signed-off-by:
Bobi Mihalca <bobbymihalca@touchtech.ro> Signed-off-by:
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Bobi Mihalca authored
commit 9d4dc584 upstream. For reducing the noise from the headphone output on ASUS N750JV, call the existing fixup, alc_fixup_auto_mute_via_amp(), additionally. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115181Signed-off-by:
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Bobi Mihalca authored
commit 70cf2cbd upstream. ASUS N750JV needs the same fixup as N550 for enabling its subwoofer. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115181Signed-off-by:
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Nicolai Stange authored
commit e5435891 upstream. Despite what the DocBook comment to pkcs7_validate_trust() says, the *_trusted argument is never set to false. pkcs7_validate_trust() only positively sets *_trusted upon encountering a trusted PKCS#7 SignedInfo block. This is quite unfortunate since its callers, system_verify_data() for example, depend on pkcs7_validate_trust() clearing *_trusted on non-trust. Indeed, UBSAN splats when attempting to load the uninitialized local variable 'trusted' from system_verify_data() in pkcs7_validate_trust(): UBSAN: Undefined behaviour in crypto/asymmetric_keys/pkcs7_trust.c:194:14 load of value 82 is not a valid value for type '_Bool' [...] Call Trace: [<ffffffff818c4d35>] dump_stack+0xbc/0x117 [<ffffffff818c4c79>] ? _atomic_dec_and_lock+0x169/0x169 [<ffffffff8194113b>] ubsan_epilogue+0xd/0x4e [<ffffffff819419fa>] __ubsan_handle_load_invalid_value+0x111/0x158 [<ffffffff819418e9>] ? val_to_string.constprop.12+0xcf/0xcf [<ffffffff818334a4>] ? x509_request_asymmetric_key+0x114/0x370 [<ffffffff814b83f0>] ? kfree+0x220/0x370 [<ffffffff818312c2>] ? public_key_verify_signature_2+0x32/0x50 [<ffffffff81835e04>] pkcs7_validate_trust+0x524/0x5f0 [<ffffffff813c391a>] system_verify_data+0xca/0x170 [<ffffffff813c3850>] ? top_trace_array+0x9b/0x9b [<ffffffff81510b29>] ? __vfs_read+0x279/0x3d0 [<ffffffff8129372f>] mod_verify_sig+0x1ff/0x290 [...] The implication is that pkcs7_validate_trust() effectively grants trust when it really shouldn't have. Fix this by explicitly setting *_trusted to false at the very beginning of pkcs7_validate_trust(). Signed-off-by:
Nicolai Stange <nicstange@gmail.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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- 05 Apr, 2016 3 commits
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Kamal Mostafa authored
This reverts commit 6f7cc98b. Not suitable for 3.19: no max_burst. Signed-off-by:
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Kamal Mostafa authored
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Andy Lutomirski authored
commit b7a58459 upstream. On Xen PV, regs->flags doesn't reliably reflect IOPL and the exit-to-userspace code doesn't change IOPL. We need to context switch it manually. I'm doing this without going through paravirt because this is specific to Xen PV. After the dust settles, we can merge this with the 32-bit code, tidy up the iopl syscall implementation, and remove the set_iopl pvop entirely. Fixes XSA-171. Reviewewd-by:
Jan Beulich <JBeulich@suse.com> Signed-off-by:
Andy Lutomirski <luto@kernel.org> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/693c3bd7aeb4d3c27c92c622b7d0f554a458173c.1458162709.git.luto@kernel.orgSigned-off-by:
Ingo Molnar <mingo@kernel.org> [ kamal: backport to 3.19-stable: no X86_FEATURE_XENPV so just call xen_pv_domain() directly ] Acked-by:
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- 02 Apr, 2016 22 commits
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Krzysztof Kozlowski authored
commit fb166ba1 upstream. The regmap_irq_get_virq() can return 0 or -EINVAL in error conditions but driver checked only for value of 0. This could lead to a cast of -EINVAL to an unsigned int used as a interrupt number for devm_request_threaded_irq(). Although this is not yet fatal (devm_request_threaded_irq() will just fail with -EINVAL) but might be a misleading when diagnosing errors. Signed-off-by:
Krzysztof Kozlowski <k.kozlowski@samsung.com> Fixes: 6f1c1e71 ("mfd: max77686: Convert to use regmap_irq") Reviewed-by:
Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by:
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Laurent Pinchart authored
commit f6acfcdc upstream. Commit 58f896d8 ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming") refactored the stream start code and removed the SRU CTRL0 register write by mistake. Add it back. Fixes: 58f896d8 ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming") Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by:
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Borislav Petkov authored
commit f594bae0 upstream. I'm surprised this remained undocumented since at least 2011. And it is actually a very useful switch, as Steve and I came to realize recently. Add the text from 2cba3ffb ("perf stat: Add -d -d and -d -d -d options to show more CPU events") which added the incrementing aspect to -d. Tested-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
Borislav Petkov <bp@suse.de> Signed-off-by:
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Michael Hennerich authored
commit f3df53e4 upstream. Fix RDAC read back errors caused by a typo. Value must shift by 2. Fixes: a4bd3949 ("drivers/misc/ad525x_dpot.c: new features") Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Eric Dumazet authored
commit eee57723 upstream. When un-mapping skb->data in __bcmgenet_tx_reclaim(), we must use the length that was used in original dma_map_single(), instead of skb->len that might be bigger (includes the frags) We simply can store skb_len into tx_cb_ptr->dma_len and use it at unmap time. Fixes: 1c1008c7 ("net: bcmgenet: add main driver file") Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Linus Walleij authored
commit ec7957a6 upstream. Despite care take to allocate clocks state containers the SP810 driver actually just supports creating one instance: all clocks registered for every instance will end up with the exact same name and __clk_init() will fail. Rename the timclken<0> .. timclken<n> to sp810_<instance>_<n> so every clock on every instance gets a unique name. This is necessary for the RealView PBA8 which has two SP810 blocks: the second block will not register its clocks unless every clock on every instance is unique and results in boot logs like this: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ../drivers/clk/versatile/clk-sp810.c:137 clk_sp810_of_setup+0x110/0x154() Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.5.0-rc2-00030-g352718fc39f6-dirty #225 Hardware name: ARM RealView Machine (Device Tree Support) [<c00167f8>] (unwind_backtrace) from [<c0013204>] (show_stack+0x10/0x14) [<c0013204>] (show_stack) from [<c01a049c>] (dump_stack+0x84/0x9c) [<c01a049c>] (dump_stack) from [<c0024990>] (warn_slowpath_common+0x74/0xb0) [<c0024990>] (warn_slowpath_common) from [<c0024a68>] (warn_slowpath_null+0x1c/0x24) [<c0024a68>] (warn_slowpath_null) from [<c051eb44>] (clk_sp810_of_setup+0x110/0x154) [<c051eb44>] (clk_sp810_of_setup) from [<c051e3a4>] (of_clk_init+0x12c/0x1c8) [<c051e3a4>] (of_clk_init) from [<c0504714>] (time_init+0x20/0x2c) [<c0504714>] (time_init) from [<c0501b18>] (start_kernel+0x244/0x3c4) [<c0501b18>] (start_kernel) from [<7000807c>] (0x7000807c) ---[ end trace cb88537fdc8fa200 ]--- Cc: Michael Turquette <mturquette@baylibre.com> Cc: Pawel Moll <pawel.moll@arm.com> Fixes: 6e973d2c "clk: vexpress: Add separate SP810 driver" Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Stephen Boyd <sboyd@codeaurora.org> Signed-off-by:
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Guillaume Nault authored
commit e8e56ffd upstream. Locking ppp_mutex must be done before dereferencing file->private_data, otherwise it could be modified before ppp_unattached_ioctl() takes the lock. This could lead ppp_unattached_ioctl() to override ->private_data, thus leaking reference to the ppp_file previously pointed to. v2: lock all ppp_ioctl() instead of just checking private_data in ppp_unattached_ioctl(), to avoid ambiguous behaviour. Fixes: f3ff8a4d ("ppp: push BKL down into the driver") Signed-off-by:
Guillaume Nault <g.nault@alphalink.fr> Signed-off-by:
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Arnd Bergmann authored
commit e07ff943 upstream. The s5m8767_pmic_probe() function calls s5m8767_get_register() to read data without checking the return code, which produces a compile-time warning when that data is accessed: drivers/regulator/s5m8767.c: In function 's5m8767_pmic_probe': drivers/regulator/s5m8767.c:924:7: error: 'enable_reg' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/regulator/s5m8767.c:944:30: error: 'enable_val' may be used uninitialized in this function [-Werror=maybe-uninitialized] This changes the s5m8767_get_register() function to return a -EINVAL not just for an invalid register number but also for an invalid regulator number, as both would result in returning uninitialized data. The s5m8767_pmic_probe() function is then changed accordingly to fail on a read error, as all the other callers of s5m8767_get_register() already do. In practice this probably cannot happen, as we don't call s5m8767_get_register() with invalid arguments, but the gcc warning seems valid in principle, in terms writing safe error checking. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: 9c4c6055 ("regulator: s5m8767: Convert to use regulator_[enable|disable|is_enabled]_regmap") Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Arnd Bergmann authored
commit dec63a4d upstream. gcc-6.0 found an ancient bug in the paride driver, which had a "module_param(verbose, bool, 0);" since before 2.6.12, but actually uses it to accept '0', '1' or '2' as arguments: drivers/block/paride/pd.c: In function 'pd_init_dev_parms': drivers/block/paride/pd.c:298:29: warning: comparison of constant '1' with boolean expression is always false [-Wbool-compare] #define DBMSG(msg) ((verbose>1)?(msg):NULL) In 2012, Rusty did a cleanup patch that also changed the type of the variable to 'bool', which introduced what is now a gcc warning. This changes the type back to 'int' and adapts the module_param() line instead, so it should work as documented in case anyone ever cares about running the ancient driver with debugging. Fixes: 90ab5ee9 ("module_param: make bool parameters really bool (drivers & misc)") Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Dan Streetman authored
commit da6ccaaa upstream. Make the "Attempted send on closed socket" error messages generated in nbd_request_handler() ratelimited. When the nbd socket is shutdown, the nbd_request_handler() function emits an error message for every request remaining in its queue. If the queue is large, this will spam a large amount of messages to the log. There's no need for a separate error message for each request, so this patch ratelimits it. In the specific case this was found, the system was virtual and the error messages were logged to the serial port, which overwhelmed it. Fixes: 4d48a542 ("nbd: fix I/O hang on disconnected nbds") Signed-off-by:
Dan Streetman <dan.streetman@canonical.com> Signed-off-by:
Markus Pargmann <mpa@pengutronix.de> Signed-off-by:
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Markus Trippelsdorf authored
commit d85ce830 upstream. One line in perf_pmu__parse_unit() is indented wrongly, leading to a warning (=> error) from gcc 6: util/pmu.c:156:3: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation] sret = read(fd, alias->unit, UNIT_MAX_LEN); ^~~~ util/pmu.c:153:2: note: ...this 'if' clause, but it is not if (fd == -1) ^~ Signed-off-by:
Markus Trippelsdorf <markus@trippelsdorf.de> Acked-by:
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Alexander Kochetkov authored
commit d5861262 upstream. Year field must be in BCD format, according to hym8563 datasheet. Due to the bug year 2016 became 2010. Fixes: dcaf0384 ("rtc: add hym8563 rtc-driver") Signed-off-by:
Alexander Kochetkov <al.kochet@gmail.com> Signed-off-by:
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Michal Kazior authored
commit cf440128 upstream. The ieee80211_queue_stopped() expects hw queue number but it was given raw WMM AC number instead. This could cause frame drops and problems with traffic in some cases - most notably if driver doesn't map AC numbers to queue numbers 1:1 and uses ieee80211_stop_queues() and ieee80211_wake_queue() only without ever calling ieee80211_wake_queues(). On ath10k it was possible to hit this problem in the following case: 1. wlan0 uses queue 0 (ath10k maps queues per vif) 2. offchannel uses queue 15 3. queues 1-14 are unused 4. ieee80211_stop_queues() 5. ieee80211_wake_queue(q=0) 6. ieee80211_wake_queue(q=15) (other queues are not woken up because both driver and mac80211 know other queues are unused) 7. ieee80211_rx_h_mesh_fwding() 8. ieee80211_select_queue_80211() returns 2 9. ieee80211_queue_stopped(q=2) returns true 10. frame is dropped (oops!) Fixes: d3c1597b ("mac80211: fix forwarded mesh frame queue mapping") Signed-off-by:
Michal Kazior <michal.kazior@tieto.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Jiri Kosina authored
commit c8b08ca5 upstream. mkspec is copying built kernel to temporrary location /boot/vmlinuz-$KERNELRELEASE-rpm and runs installkernel on it. This however directly leads to grub2 menuentry for this suffixed binary being generated as well during the run of installkernel script. Later in the process the temporary -rpm suffixed files are removed, and therefore we end up with spurious (and non-functional) grub2 menu entries for each installed kernel RPM. Fix that by using a different temporary name (prefixed by '.'), so that the binary is not recognized as an actual kernel binary and no menuentry is created for it. Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Fixes: 3c9c7a14 ("rpm-pkg: add %post section to create initramfs and grub hooks") Signed-off-by:
Michal Marek <mmarek@suse.com> Signed-off-by:
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Philipp Zabel authored
commit bc717d5e upstream. If we bail out this early, v4l2_device_register() has not been called yet, so no need to call v4l2_device_unregister(). Fixes: b7bd660a ("[media] coda: Call v4l2_device_unregister() from a single location") Reported-by:
Michael Olbrich <m.olbrich@pengutronix.de> Signed-off-by:
Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by:
Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by:
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Arnd Bergmann authored
commit baefd701 upstream. The implementation of QP paravirtualization back in linux-3.7 included some code that looks very dubious, and gcc-6 has grown smart enough to warn about it: drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'verify_qp_parameters': drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:3154:5: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation] if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { ^~ drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:3144:4: note: ...this 'if' clause, but it is not if (slave != mlx4_master_func_num(dev)) >From looking at the context, I'm reasonably sure that the indentation is correct but that it should have contained curly braces from the start, as the update_gid() function in the same patch correctly does. Signed-off-by:
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Arnd Bergmann authored
commit ba4bc32e upstream. An older patch to convert the API in the s3c i2s driver ended up passing a const pointer into a function that takes a non-const pointer, so we now get a warning: sound/soc/samsung/s3c2412-i2s.c: In function 's3c2412_iis_dev_probe': sound/soc/samsung/s3c2412-i2s.c:172:9: error: passing argument 3 of 's3c_i2sv2_register_component' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] However, the s3c_i2sv2_register_component() function again passes the pointer into another function taking a const, so we just need to change its prototype. Fixes: eca3b01d ("ASoC: switch over to use snd_soc_register_component() on s3c i2s") Signed-off-by:
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Huibin Hong authored
commit b920cc31 upstream. Rockchip_spi_set_cs could be called by spi_setup, but spi_setup may be called by device driver after runtime suspend. Then the spi clock is closed, rockchip_spi_set_cs may access the spi registers, which causes cpu block in some socs. Fixes: 64e36824 ("spi/rockchip: add driver for Rockchip RK3xxx") Signed-off-by:
Huibin Hong <huibin.hong@rock-chips.com> Signed-off-by:
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Jesse Gross authored
commit b8cba75b upstream. ipip encapsulated packets can be merged together by GRO but the result does not have the proper GSO type set or even marked as being encapsulated at all. Later retransmission of these packets will likely fail if the device does not support ipip offloads. This is similar to the issue resolved in IPv6 sit in feec0cb3 ("ipv6: gro: support sit protocol"). Reported-by:
Patrick Boutilier <boutilpj@ednet.ns.ca> Fixes: 9667e9bb ("ipip: Add gro callbacks to ipip offload") Tested-by:
Jesse Gross <jesse@kernel.org> Signed-off-by:
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Arnd Bergmann authored
commit aeb6641f upstream. gcc-6 complains about the indentation of the lpfc_destroy_vport_work_array() call in lpfc_online(), which clearly doesn't look right: drivers/scsi/lpfc/lpfc_init.c: In function 'lpfc_online': drivers/scsi/lpfc/lpfc_init.c:2880:3: warning: statement is indented as if it were guarded by... [-Wmisleading-indentation] lpfc_destroy_vport_work_array(phba, vports); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/lpfc/lpfc_init.c:2863:2: note: ...this 'if' clause, but it is not if (vports != NULL) ^~ Looking at the patch that introduced this code, it's clear that the behavior is correct and the indentation is wrong. This fixes the indentation and adds curly braces around the previous if() block for clarity, as that is most likely what caused the code to be misindented in the first place. Signed-off-by:
Sebastian Herbszt <herbszt@gmx.de> Reviewed-by:
Hannes Reinecke <hare@suse.com> Reviewed-by:
Ewan D. Milne <emilne@redhat.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Paolo Abeni authored
commit ad0ea198 upstream. Currently, ingress ipv4 broadcast datagrams are dropped since, in udp_v4_early_demux(), ip_check_mc_rcu() is invoked even on bcast packets. This patch addresses the issue, invoking ip_check_mc_rcu() only for mcast packets. Fixes: 6e540309 ("ipv4/udp: Verify multicast group is ours in upd_v4_early_demux()") Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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NeilBrown authored
commit a6ab1e81 upstream. sunrpc_cache_pipe_upcall() can detect a race if CACHE_PENDING is no longer set. In this case it aborts the queuing of the upcall. However it has already taken a new counted reference on "h" and doesn't "put" it, even though it frees the data structure holding the reference. So let's delay the "cache_get" until we know we need it. Fixes: f9e1aedc ("sunrpc/cache: remove races with queuing an upcall.") Signed-off-by:
NeilBrown <neilb@suse.com> Signed-off-by:
J. Bruce Fields <bfields@redhat.com> Signed-off-by:
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