- 07 Sep, 2017 12 commits
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Xiangliang.Yu authored
commit 9afae271 upstream. When fail to get needed page for pool, need to put allocated pages into pool. But current code has a miscalculation of allocated pages, correct it. Signed-off-by:
Xiangliang.Yu <Xiangliang.Yu@amd.com> Reviewed-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
Monk Liu <monk.liu@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Vladis Dronov authored
commit 7bab0963 upstream. The 'dir' parameter in xfrm_migrate() is a user-controlled byte which is used as an array index. This can lead to an out-of-bound access, kernel lockup and DoS. Add a check for the 'dir' value. This fixes CVE-2017-11600. References: https://bugzilla.redhat.com/show_bug.cgi?id=1474928 Fixes: 80c9abaa ("[XFRM]: Extension for dynamic update of endpoint address(es)") Reported-by:
"bo Zhang" <zhangbo5891001@gmail.com> Signed-off-by:
Vladis Dronov <vdronov@redhat.com> Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by:
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Cong Wang authored
commit f581a0dd upstream. wl1251: add a missing spin_lock_init() This fixes the following kernel warning: [ 5668.771453] BUG: spinlock bad magic on CPU#0, kworker/u2:3/9745 [ 5668.771850] lock: 0xce63ef20, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 [ 5668.772277] CPU: 0 PID: 9745 Comm: kworker/u2:3 Tainted: G W 4.12.0-03002-gec979a4-dirty #40 [ 5668.772796] Hardware name: Nokia RX-51 board [ 5668.773071] Workqueue: phy1 wl1251_irq_work [ 5668.773345] [<c010c9e4>] (unwind_backtrace) from [<c010a274>] (show_stack+0x10/0x14) [ 5668.773803] [<c010a274>] (show_stack) from [<c01545a4>] (do_raw_spin_lock+0x6c/0xa0) [ 5668.774230] [<c01545a4>] (do_raw_spin_lock) from [<c06ca578>] (_raw_spin_lock_irqsave+0x10/0x18) [ 5668.774658] [<c06ca578>] (_raw_spin_lock_irqsave) from [<c048c010>] (wl1251_op_tx+0x38/0x5c) [ 5668.775115] [<c048c010>] (wl1251_op_tx) from [<c06a12e8>] (ieee80211_tx_frags+0x188/0x1c0) [ 5668.775543] [<c06a12e8>] (ieee80211_tx_frags) from [<c06a138c>] (__ieee80211_tx+0x6c/0x130) [ 5668.775970] [<c06a138c>] (__ieee80211_tx) from [<c06a3dbc>] (ieee80211_tx+0xdc/0x104) [ 5668.776367] [<c06a3dbc>] (ieee80211_tx) from [<c06a4af0>] (__ieee80211_subif_start_xmit+0x454/0x8c8) [ 5668.776824] [<c06a4af0>] (__ieee80211_subif_start_xmit) from [<c06a4f94>] (ieee80211_subif_start_xmit+0x30/0x2fc) [ 5668.777343] [<c06a4f94>] (ieee80211_subif_start_xmit) from [<c0578848>] (dev_hard_start_xmit+0x80/0x118) ... by adding the missing spin_lock_init(). Reported-by:
Pavel Machek <pavel@ucw.cz> Cc: Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Acked-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Steve French authored
commit 6e3c1529 upstream. Recent patch had an endian warning ie cifs: return ENAMETOOLONG for overlong names in cifs_open()/cifs_lookup() Signed-off-by:
Steve French <smfrench@gmail.com> CC: Ronnie Sahlberg <lsahlber@redhat.com> Acked-by:
Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by:
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Pavel Shilovsky authored
commit 9e37b178 upstream. Currently the maximum size of SMB2/3 header is set incorrectly which leads to hanging of directory listing operations on encrypted SMB3 connections. Fix this by setting the maximum size to 170 bytes that is calculated as RFC1002 length field size (4) + transform header size (52) + SMB2 header size (64) + create response size (56). Signed-off-by:
Sachin Prabhu <sprabhu@redhat.com> Signed-off-by:
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Ben Hutchings authored
commit cec80d82 upstream. This fixes compiler errors in perf such as: tests/attr.c: In function 'store_event': tests/attr.c:66:27: error: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type '__u64 {aka long unsigned int}' [-Werror=format=] snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, ^ Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Tested-by:
Michael Cree <mcree@orcon.net.nz> Signed-off-by:
Matt Turner <mattst88@gmail.com> Signed-off-by:
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Waiman Long authored
commit 1c08c22c upstream. The memory_pressure control file was incorrectly set up without a private value (0, by default). As a result, this control file was treated like memory_migrate on read. By adding back the FILE_MEMORY_PRESSURE private value, the correct memory pressure value will be returned. Signed-off-by:
Waiman Long <longman@redhat.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Fixes: 7dbdb199 ("cgroup: replace cftype->mode with CFTYPE_WORLD_WRITABLE") Signed-off-by:
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Tejun Heo authored
commit b339752d upstream. When !NUMA, cpumask_of_node(@node) equals cpu_online_mask regardless of @node. The assumption seems that if !NUMA, there shouldn't be more than one node and thus reporting cpu_online_mask regardless of @node is correct. However, that assumption was broken years ago to support DISCONTIGMEM and whether a system has multiple nodes or not is separately controlled by NEED_MULTIPLE_NODES. This means that, on a system with !NUMA && NEED_MULTIPLE_NODES, cpumask_of_node() will report cpu_online_mask for all possible nodes, indicating that the CPUs are associated with multiple nodes which is an impossible configuration. This bug has been around forever but doesn't look like it has caused any noticeable symptoms. However, it triggers a WARN recently added to workqueue to verify NUMA affinity configuration. Fix it by reporting empty cpumask on non-zero nodes if !NUMA. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Yan, Zheng authored
commit dd2bc473 upstream. ceph_readpage() unlocks page prematurely prematurely in the case that page is reading from fscache. Caller of readpage expects that page is uptodate when it get unlocked. So page shoule get locked by completion callback of fscache_read_or_alloc_pages() Signed-off-by:
"Yan, Zheng" <zyan@redhat.com> Reviewed-by:
Jeff Layton <jlayton@redhat.com> Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Signed-off-by:
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Stephen Douthit authored
commit ba201c4f upstream. Compare the number of bytes actually seen on the wire to the byte count field returned by the slave device. Previously we just overwrote the byte count returned by the slave with the real byte count and let the caller figure out if the message was sane. Signed-off-by:
Stephen Douthit <stephend@adiengineering.com> Tested-by:
Dan Priamo <danp@adiengineering.com> Acked-by:
Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de> Signed-off-by:
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Stephen Douthit authored
commit b6c159a9 upstream. According to Table 15-14 of the C2000 EDS (Intel doc #510524) the rx data pointed to by the descriptor dptr contains the byte count. desc->rxbytes reports all bytes read on the wire, including the "byte count" byte. So if a device sends 4 bytes in response to a block read, on the wire and in the DMA buffer we see: count data1 data2 data3 data4 0x04 0xde 0xad 0xbe 0xef That's what we want to return in data->block to the next level. Instead we were actually prefixing that with desc->rxbytes: bad count count data1 data2 data3 data4 0x05 0x04 0xde 0xad 0xbe 0xef This was discovered while developing a BMC solution relying on the ipmi_ssif.c driver which was trying to interpret the bogus length field as part of the IPMI response. Signed-off-by:
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James Hogan authored
commit 2c0e8382 upstream. A SYNC is required between enabling the GIC region and actually trying to use it, even if the first access is a read, otherwise its possible depending on the timing (and in my case depending on the precise alignment of certain kernel code) to hit CM bus errors on that first access. Add the SYNC straight after setting the GIC base. [paul.burton@imgtec.com: Changes later in this series increase our likelihood of hitting this by reducing the amount of code that runs between enabling the GIC & accessing it.] Fixes: a7057270 ("irqchip: mips-gic: Add device-tree support") Signed-off-by:
James Hogan <james.hogan@imgtec.com> Signed-off-by:
Paul Burton <paul.burton@imgtec.com> Acked-by:
Marc Zyngier <marc.zyngier@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: James Hogan <james.hogan@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17019/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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- 02 Sep, 2017 16 commits
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Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
When building with gcc-7, the following warning happens: drivers/gpu/drm/i915/intel_uncore.c: In function ‘hsw_unclaimed_reg_detect’: drivers/gpu/drm/i915/intel_uncore.c:638:36: warning: decrement of a boolean expression [-Wbool-operation] i915.mmio_debug = mmio_debug_once--; ^~ As it's really not wise to -- on a boolean value. Commit 75714940 ("drm/i915: Do one shot unclaimed mmio detection less frequently") which showed up in 4.6-rc1 does solve this issue, by rewriting the mmio detection logic, but that isn't really good to backport to 4.4-stable, so just fix up the obvious logic here to do the right thing. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Paulo Zanoni <przanoni@gmail.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: -
Hannes Reinecke authored
commit e791ce27 upstream. Once the reserved page array is unused we can reset the 'res_in_use' state; here we can do a lazy update without holding the mutex as we only need to check against concurrent access, not concurrent release. [mkp: checkpatch] Fixes: 1bc0eb04 ("scsi: sg: protect accesses to 'reserved' page array") Signed-off-by:
Hannes Reinecke <hare@suse.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Cc: Todd Poynor <toddpoynor@google.com> Signed-off-by:
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Hannes Reinecke authored
commit 1bc0eb04 upstream. The 'reserved' page array is used as a short-cut for mapping data, saving us to allocate pages per request. However, the 'reserved' array is only capable of holding one request, so this patch introduces a mutex for protect 'sg_fd' against concurrent accesses. Signed-off-by:
Todd Poynor <toddpoynor@google.com> Signed-off-by:
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Dave Martin authored
commit 09662210 upstream. There are some tricky dependencies between the different stages of flushing the FPSIMD register state during exec, and these can race with context switch in ways that can cause the old task's regs to leak across. In particular, a context switch during the memset() can cause some of the task's old FPSIMD registers to reappear. Disabling preemption for this small window would be no big deal for performance: preemption is already disabled for similar scenarios like updating the FPSIMD registers in sigreturn. So, instead of rearranging things in ways that might swap existing subtle bugs for new ones, this patch just disables preemption around the FPSIMD state flushing so that races of this type can't occur here. This brings fpsimd_flush_thread() into line with other code paths. Fixes: 674c242c ("arm64: flush FP/SIMD state correctly after execve()") Reviewed-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by:
Dave Martin <Dave.Martin@arm.com> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
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Arnd Bergmann authored
commit 7206f9bf upstream. The x86 version of insb/insw/insl uses an inline assembly that does not have the target buffer listed as an output. This can confuse the compiler, leading it to think that a subsequent access of the buffer is uninitialized: drivers/net/wireless/wl3501_cs.c: In function ‘wl3501_mgmt_scan_confirm’: drivers/net/wireless/wl3501_cs.c:665:9: error: ‘sig.status’ is used uninitialized in this function [-Werror=uninitialized] drivers/net/wireless/wl3501_cs.c:668:12: error: ‘sig.cap_info’ may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/net/sb1000.c: In function 'sb1000_rx': drivers/net/sb1000.c:775:9: error: 'st[0]' is used uninitialized in this function [-Werror=uninitialized] drivers/net/sb1000.c:776:10: error: 'st[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/net/sb1000.c:784:11: error: 'st[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized] I tried to mark the exact input buffer as an output here, but couldn't figure it out. As suggested by Linus, marking all memory as clobbered however is good enough too. For the outs operations, I also add the memory clobber, to force the input to be written to local variables. This is probably already guaranteed by the "asm volatile", but it can't hurt to do this for symmetry. Suggested-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Mark Rutland authored
commit 289d07a2 upstream. When there's a fatal signal pending, arm64's do_page_fault() implementation returns 0. The intent is that we'll return to the faulting userspace instruction, delivering the signal on the way. However, if we take a fatal signal during fixing up a uaccess, this results in a return to the faulting kernel instruction, which will be instantly retried, resulting in the same fault being taken forever. As the task never reaches userspace, the signal is not delivered, and the task is left unkillable. While the task is stuck in this state, it can inhibit the forward progress of the system. To avoid this, we must ensure that when a fatal signal is pending, we apply any necessary fixup for a faulting kernel instruction. Thus we will return to an error path, and it is up to that code to make forward progress towards delivering the fatal signal. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Laura Abbott <labbott@redhat.com> Reviewed-by:
Steve Capper <steve.capper@arm.com> Tested-by:
James Morse <james.morse@arm.com> Tested-by:
Mark Rutland <mark.rutland@arm.com> Signed-off-by:
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James Smart authored
commit 342b59ca upstream. When the switch is rebooted, the lpfc driver fails to log into the fabric, and Unexpected timeout message is seen. Fix: Do not issue RegVFI if the FLOGI was internally aborted. Signed-off-by:
Dick Kennedy <dick.kennedy@avagotech.com> Signed-off-by:
James Smart <james.smart@avagotech.com> Signed-off-by:
Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> Signed-off-by:
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Jiri Slaby authored
commit 6f175817 upstream. gcc 7 complains: drivers/net/wireless/intersil/p54/fwio.c: In function 'p54_scan': drivers/net/wireless/intersil/p54/fwio.c:491:4: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size] Fix that by passing the correct size to memset. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Cc: Christian Lamparter <chunkeey@googlemail.com> Cc: Kalle Valo <kvalo@codeaurora.org> Acked-by:
Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Javier González authored
commit 5389a1df upstream. The ->reserved bit is not initialized when allocated on stack. This may lead targets to misinterpret the PPA as cached. Signed-off-by:
Javier González <javier@cnexlabs.com> Signed-off-by:
Matias Bjørling <m@bjorling.me> Signed-off-by:
Jens Axboe <axboe@fb.com> Signed-off-by:
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Martin Liska authored
commit 05384213 upstream. Starting from GCC 7.1, __gcov_exit is a new symbol expected to be implemented in a profiling runtime. [akpm@linux-foundation.org: coding-style fixes] [mliska@suse.cz: v2] Link: http://lkml.kernel.org/r/e63a3c59-0149-c97e-4084-20ca8f146b26@suse.cz Link: http://lkml.kernel.org/r/8c4084fa-3885-29fe-5fc4-0d4ca199c785@suse.czSigned-off-by:
Martin Liska <mliska@suse.cz> Acked-by:
Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Florian Meier authored
commit d02038f9 upstream. Link: http://lkml.kernel.org/r/20160701130914.GA23225@styxhpSigned-off-by:
Florian Meier <Florian.Meier@informatik.uni-erlangen.de> Reviewed-by:
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Wolfram Sang authored
commit 27bfeb5a upstream. David reported that the length for memset was incorrect (element sizes were not taken into account). Then I saw that we are clearing kzalloced memory, so we can simply drop this code. Reported-by:
David Binderman <dcb314@hotmail.com> Reviewed-by:
Axel Lin <axel.lin@ingics.com> Signed-off-by:
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Colin Ian King authored
commit fb75d857 upstream. duplicate const is redundant so remove it Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
David Sterba <dsterba@suse.com> Signed-off-by:
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Takashi Iwai authored
commit 639db596 upstream. There are a few calls of memset() to stream->resources, but they all are called in a wrong size, sizeof(unsigned char) * VORTEX_RESOURCE_LAST, while this field is a u32 array. This may leave the memories not zero-cleared. Fix it by replacing them with a simpler sizeof(stream->resources) instead. Reported-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Arnd Bergmann authored
commit 5cfa2a3c upstream. I'm getting a new warning with gcc-7: isci/remote_node_context.c: In function 'sci_remote_node_context_destruct': isci/remote_node_context.c:69:16: error: array subscript is above array bounds [-Werror=array-bounds] This is odd, since we clearly cover all values for enum scis_sds_remote_node_context_states here. Anyway, checking for an array overflow can't harm and it makes the warning go away. Signed-off-by:
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- 30 Aug, 2017 12 commits
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Greg Kroah-Hartman authored
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James Morse authored
commit 7d64f82c upstream. When removing a GHES device notified by SCI, list_del_rcu() is used, ghes_remove() should call synchronize_rcu() before it goes on to call kfree(ghes), otherwise concurrent RCU readers may still hold this list entry after it has been freed. Signed-off-by:
"Huang, Ying" <ying.huang@intel.com> Fixes: 81e88fdc (ACPI, APEI, Generic Hardware Error Source POLL/IRQ/NMI notification type support) Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Joerg Roedel authored
commit e3d5092b upstream. The on-stack resource-window 'win' in setup_res() is not properly initialized. This causes the pointers in the embedded 'struct resource' to contain stale addresses. These pointers (in my case the ->child pointer) later get propagated to the global iomem_resources list, causing a #GP exception when the list is traversed in iomem_map_sanity_check(). Fixes: c183619b (x86/irq, ACPI: Implement ACPI driver to support IOAPIC hotplug) Signed-off-by:
Joerg Roedel <jroedel@suse.de> Signed-off-by:
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Logan Gunthorpe authored
commit 8e8496e0 upstream. A divide by zero error occurs if qp_count is less than mw_count because num_qps_mw is calculated to be zero. The calculation appears to be incorrect. The requirement is for num_qps_mw to be set to qp_count / mw_count with any remainder divided among the earlier mws. For example, if mw_count is 5 and qp_count is 12 then mws 0 and 1 will have 3 qps per window and mws 2 through 4 will have 2 qps per window. Thus, when mw_num < qp_count % mw_count, num_qps_mw is 1 higher than when mw_num >= qp_count. Signed-off-by:
Logan Gunthorpe <logang@deltatee.com> Fixes: e26a5843 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Acked-by:
Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by:
Jon Mason <jdmason@kudzu.us> Signed-off-by:
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Logan Gunthorpe authored
commit cb827ee6 upstream. In cases where there are more mw's than spads/2-2, the mw count gets reduced to match the limitation. ntb_transport also tries to ensure that there are fewer qps than mws but uses the full mw count instead of the reduced one. When this happens, the math in 'ntb_transport_setup_qp_mw' will get confused and result in a kernel paging request bug. This patch fixes the bug by reducing qp_count to the reduced mw count instead of the full mw count. Signed-off-by:
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Kuninori Morimoto authored
commit d7289565 upstream. Signed-off-by:
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
Thong Ho <thong.ho.px@rvc.renesas.com> Signed-off-by:
Nhan Nguyen <nhan.nguyen.yb@renesas.com> Signed-off-by:
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Kuninori Morimoto authored
commit f46a93b8 upstream. Data left/right aligned is controlled by PDTA bit on SSICR. But default is left-aligned. Thus 24bit sound will be very small sound without this patch. Signed-off-by:
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Geert Uytterhoeven authored
commit 8b27418f upstream. If the "clock-frequency" DT property is not found, req_rate is used uninitialized, and the "audio_clkout" clock will be created with an arbitrary clock rate. This uninitialized kernel stack data may leak to userspace through /sys/kernel/debug/clk/clk_summary, cfr. the value in the "rate" column: clock enable_cnt prepare_cnt rate accuracy phase -------------------------------------------------------------------- audio_clkout 0 0 4001836240 0 0 Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Acked-by:
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Kuninori Morimoto authored
commit 2daf71ad upstream. Current Renesas sound driver doesn't have 1:1 relationship between stream <-> mod because it is supporting MIX. Because of this reason rsnd_mod_interrupt() is searching correspond mod by for loop. But this loop is not needed, because each mod has own type. This patch avoid pointless loop by using mod->type. This patch is good for SSI-parent support, because stream might have 2 SSI as SSI-parent/child. SSI interrupt handler will be called twice if stream has SSI-parent without this patch. Signed-off-by:
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Kuninori Morimoto authored
commit b761bf27 upstream. Because SRC is connected to DMA and DMA want to keep dreq when stop timing. This patch makes SRC stop SRC.out only when stop timing. And it stops both SRC.out/SRC.in when quit timing Signed-off-by:
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Aaro Koskinen authored
commit ee43a1a0 upstream. Commit e2257971 ("ASoC: simple card: set cpu-dai sysclk with mclk-fs") added sysclk / SND_SOC_CLOCK_OUT setting, that makes asoc_simple_card_hw_params fail if the operation is not supported, although the intention clearly was to ignore ENOTSUPP. Fix it. The patch fixes audio playback on Kirkwood / OpenRD client, where the following errors are seen: asoc-simple-card sound: ASoC: machine hw_params failed: -524 alsa-lib: /alsa-lib-1.0.28/src/pcm/pcm_hw.c:327:(snd_pcm_hw_hw_params) SNDRV_PCM_IOCTL_HW_PARAMS failed (-524): Unknown error 524 Fixes: e2257971 ("ASoC: simple card: set cpu-dai sysclk with mclk-fs") Signed-off-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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Charles Milette authored
commit f299aec6 upstream. Add support for USB Device Rosewill RNX-N150NUB. VendorID: 0x0bda, ProductID: 0xffef Signed-off-by:
Charles Milette <charles.milette@gmail.com> Signed-off-by:
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