- 26 Jan, 2017 40 commits
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Dan Carpenter authored
commit 193e8714 upstream. There are CQSPI_MAX_CHIPSELECT elements in the ->f_pdata array so the > should be >=. Fixes: 14062341 ('mtd: spi-nor: Add driver for Cadence Quad SPI Flash Controller') Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Marek Vasut <marex@denx.de> Signed-off-by:
Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Chanwoo Choi authored
commit 73613b16 upstream. This patch fixes the bug of devfreq_add_device(). The devfreq device must have the default governor. If find_devfreq_governor() returns error, devfreq_add_device() fail to add the devfreq instance. Fixes: 1b5c1be2 (PM / devfreq: map devfreq drivers to governor using name) Signed-off-by:
Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Chanwoo Choi authored
commit 32dd7731 upstream. This patch fixes the wrong return value. If devfreq driver requires the wrong and non-available governor, it is fail. So, this patch returns the error insead of -EPROBE_DEFER. Fixes: 403e0689 (PM / devfreq: exynos: Add support of bus frequency of sub-blocks using passive governor) Signed-off-by:
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James Bottomley authored
commit ffb58456 upstream. mpt3sas has a firmware failure where it can only handle one pass through ATA command at a time. If another comes in, contrary to the SAT standard, it will hang until the first one completes (causing long commands like secure erase to timeout). The original fix was to block the device when an ATA command came in, but this caused a regression with commit 669f0441 Author: Bart Van Assche <bart.vanassche@sandisk.com> Date: Tue Nov 22 16:17:13 2016 -0800 scsi: srp_transport: Move queuecommand() wait code to SCSI core So fix the original fix of the secure erase timeout by properly returning SAM_STAT_BUSY like the SAT recommends. The original patch also had a concurrency problem since scsih_qcmd is lockless at that point (this is fixed by using atomic bitops to set and test the flag). [mkp: addressed feedback wrt. test_bit and fixed whitespace] Fixes: 18f6084a (mpt3sas: Fix secure erase premature termination) Signed-off-by:
James Bottomley <James.Bottomley@HansenPartnership.com> Acked-by:
Sreekanth Reddy <Sreekanth.Reddy@broadcom.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Reported-by:
Ingo Molnar <mingo@kernel.org> Tested-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Ewan D. Milne authored
commit 9373eba6 upstream. The call to scsi_is_sas_rphy() needs to be made on the SAS end_device, not on the SCSI device. Fixes: 835831c5 ("ses: use scsi_is_sas_rphy instead of is_sas_attached") Signed-off-by:
Ewan D. Milne <emilne@redhat.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by:
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Geert Uytterhoeven authored
commit fff5d992 upstream. On architectures like arm64, swiotlb is tied intimately to the core architecture DMA support. In addition, ZONE_DMA cannot be disabled. To aid debugging and catch devices not supporting DMA to memory outside the 32-bit address space, add a kernel command line option "swiotlb=noforce", which disables the use of bounce buffers. If specified, trying to map memory that cannot be used with DMA will fail, and a rate-limited warning will be printed. Note that io_tlb_nslabs is set to 1, which is the minimal supported value. Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
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Geert Uytterhoeven authored
commit ae7871be upstream. Convert the flag swiotlb_force from an int to an enum, to prepare for the advent of more possible values. Suggested-by:
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Alexander Graf authored
commit 524dabe1 upstream. Commit b67a8b29 introduced logic to skip swiotlb allocation when all memory is DMA accessible anyway. While this is a great idea, __dma_alloc still calls swiotlb code unconditionally to allocate memory when there is no CMA memory available. The swiotlb code is called to ensure that we at least try get_free_pages(). Without initialization, swiotlb allocation code tries to access io_tlb_list which is NULL. That results in a stack trace like this: Unable to handle kernel NULL pointer dereference at virtual address 00000000 [...] [<ffff00000845b908>] swiotlb_tbl_map_single+0xd0/0x2b0 [<ffff00000845be94>] swiotlb_alloc_coherent+0x10c/0x198 [<ffff000008099dc0>] __dma_alloc+0x68/0x1a8 [<ffff000000a1b410>] drm_gem_cma_create+0x98/0x108 [drm] [<ffff000000abcaac>] drm_fbdev_cma_create_with_funcs+0xbc/0x368 [drm_kms_helper] [<ffff000000abcd84>] drm_fbdev_cma_create+0x2c/0x40 [drm_kms_helper] [<ffff000000abc040>] drm_fb_helper_initial_config+0x238/0x410 [drm_kms_helper] [<ffff000000abce88>] drm_fbdev_cma_init_with_funcs+0x98/0x160 [drm_kms_helper] [<ffff000000abcf90>] drm_fbdev_cma_init+0x40/0x58 [drm_kms_helper] [<ffff000000b47980>] vc4_kms_load+0x90/0xf0 [vc4] [<ffff000000b46a94>] vc4_drm_bind+0xec/0x168 [vc4] [...] Thankfully swiotlb code just learned how to not do allocations with the FORCE_NO option. This patch configures the swiotlb code to use that if we decide not to initialize the swiotlb framework. Fixes: b67a8b29 ("arm64: mm: only initialize swiotlb when necessary") Signed-off-by:
Alexander Graf <agraf@suse.de> CC: Jisheng Zhang <jszhang@marvell.com> CC: Geert Uytterhoeven <geert+renesas@glider.be> CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
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Oleksandr Andrushchenko authored
commit 1c8a946b upstream. The arm64 __page_to_voff() macro takes a parameter called 'page', and also refers to 'struct page'. Thus, if the value passed in is not called 'page', we'll refer to the wrong struct name (which might not exist). Fixes: 3fa72fe9 ("arm64: mm: fix __page_to_voff definition") Acked-by:
Mark Rutland <mark.rutland@arm.com> Suggested-by:
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com> Signed-off-by:
Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com> Signed-off-by:
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Chuck Lever authored
commit 6d6bf72d upstream. Clean up: This message was intended to be a dprintk, as it is on the server-side. Fixes: 87cfb9a0 ('xprtrdma: Client-side support for ...') Signed-off-by:
Chuck Lever <chuck.lever@oracle.com> Signed-off-by:
Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by:
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Chuck Lever authored
commit 8d38de65 upstream. Verbs providers may perform house-keeping on the Send Queue during each signaled send completion. It is necessary therefore for a verbs consumer (like xprtrdma) to occasionally force a signaled send completion if it runs unsignaled most of the time. xprtrdma does not require signaled completions for Send or FastReg Work Requests, but does signal some LocalInv Work Requests. To ensure that Send Queue house-keeping can run before the Send Queue is more than half-consumed, xprtrdma forces a signaled completion on occasion by counting the number of Send Queue Entries it consumes. It currently does this by counting each ib_post_send as one Entry. Commit c9918ff5 ("xprtrdma: Add ro_unmap_sync method for FRWR") introduced the ability for frwr_op_unmap_sync to post more than one Work Request with a single post_send. Thus the underlying assumption of one Send Queue Entry per ib_post_send is no longer true. Also, FastReg Work Requests are currently never signaled. They should be signaled once in a while, just as Send is, to keep the accounting of consumed SQEs accurate. While we're here, convert the CQCOUNT macros to the currently preferred kernel coding style, which is inline functions. Fixes: c9918ff5 ("xprtrdma: Add ro_unmap_sync method for FRWR") Signed-off-by:
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Ilya Dryomov authored
commit 124f930b upstream. ... otherwise the crypto stack will align it for us with a GFP_ATOMIC allocation and a memcpy() -- see skcipher_walk_first(). Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Signed-off-by:
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Jeff Layton authored
commit fe2ed425 upstream. sparse says: fs/ceph/inode.c:308:36: warning: incorrect type in argument 1 (different base types) fs/ceph/inode.c:308:36: expected unsigned int [unsigned] [usertype] a fs/ceph/inode.c:308:36: got restricted __le32 [usertype] frag fs/ceph/inode.c:308:46: warning: incorrect type in argument 2 (different base types) fs/ceph/inode.c:308:46: expected unsigned int [unsigned] [usertype] b fs/ceph/inode.c:308:46: got restricted __le32 [usertype] frag We need to convert these values to host-endian before calling the comparator. Fixes: a407846e ("ceph: don't assume frag tree splits in mds reply are sorted") Signed-off-by:
Jeff Layton <jlayton@redhat.com> Reviewed-by:
Sage Weil <sage@redhat.com> Signed-off-by:
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Jeff Layton authored
commit 1097680d upstream. sparse says: fs/ceph/dir.c:1248:50: warning: incorrect type in assignment (different base types) fs/ceph/dir.c:1248:50: expected restricted __le32 [usertype] mask fs/ceph/dir.c:1248:50: got int [signed] [assigned] mask Fixes: 200fd27c ("ceph: use lookup request to revalidate dentry") Signed-off-by:
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Yan, Zheng authored
commit 6e09d0fb upstream. Commit 5c341ee3 ("ceph: fix scheduler warning due to nested blocking") causes infinite loop when process is interrupted. Fix it. Signed-off-by:
Yan, Zheng <zyan@redhat.com> Signed-off-by:
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Nikolay Borisov authored
commit 5c341ee3 upstream. try_get_cap_refs can be used as a condition in a wait_event* calls. This is all fine until it has to call __ceph_do_pending_vmtruncate, which in turn acquires the i_truncate_mutex. This leads to a situation in which a task's state is !TASK_RUNNING and at the same time it's trying to acquire a sleeping primitive. In essence a nested sleeping primitives are being used. This causes the following warning: WARNING: CPU: 22 PID: 11064 at kernel/sched/core.c:7631 __might_sleep+0x9f/0xb0() do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff8109447d>] prepare_to_wait_event+0x5d/0x110 ipmi_msghandler tcp_scalable ib_qib dca ib_mad ib_core ib_addr ipv6 CPU: 22 PID: 11064 Comm: fs_checker.pl Tainted: G O 4.4.20-clouder2 #6 Hardware name: Supermicro X10DRi/X10DRi, BIOS 1.1a 10/16/2015 0000000000000000 ffff8838b416fa88 ffffffff812f4409 ffff8838b416fad0 ffffffff81a034f2 ffff8838b416fac0 ffffffff81052b46 ffffffff81a0432c 0000000000000061 0000000000000000 0000000000000000 ffff88167bda54a0 Call Trace: [<ffffffff812f4409>] dump_stack+0x67/0x9e [<ffffffff81052b46>] warn_slowpath_common+0x86/0xc0 [<ffffffff81052bcc>] warn_slowpath_fmt+0x4c/0x50 [<ffffffff8109447d>] ? prepare_to_wait_event+0x5d/0x110 [<ffffffff8109447d>] ? prepare_to_wait_event+0x5d/0x110 [<ffffffff8107767f>] __might_sleep+0x9f/0xb0 [<ffffffff81612d30>] mutex_lock+0x20/0x40 [<ffffffffa04eea14>] __ceph_do_pending_vmtruncate+0x44/0x1a0 [ceph] [<ffffffffa04fa692>] try_get_cap_refs+0xa2/0x320 [ceph] [<ffffffffa04fd6f5>] ceph_get_caps+0x255/0x2b0 [ceph] [<ffffffff81094370>] ? wait_woken+0xb0/0xb0 [<ffffffffa04f2c11>] ceph_write_iter+0x2b1/0xde0 [ceph] [<ffffffff81613f22>] ? schedule_timeout+0x202/0x260 [<ffffffff8117f01a>] ? kmem_cache_free+0x1ea/0x200 [<ffffffff811b46ce>] ? iput+0x9e/0x230 [<ffffffff81077632>] ? __might_sleep+0x52/0xb0 [<ffffffff81156147>] ? __might_fault+0x37/0x40 [<ffffffff8119e123>] ? cp_new_stat+0x153/0x170 [<ffffffff81198cfa>] __vfs_write+0xaa/0xe0 [<ffffffff81199369>] vfs_write+0xa9/0x190 [<ffffffff811b6d01>] ? set_close_on_exec+0x31/0x70 [<ffffffff8119a056>] SyS_write+0x46/0xa0 This happens since wait_event_interruptible can interfere with the mutex locking code, since they both fiddle with the task state. Fix the issue by using the newly-added nested blocking infrastructure in 61ada528 ("sched/wait: Provide infrastructure to deal with nested blocking") Link: https://lwn.net/Articles/628628/Signed-off-by:
Nikolay Borisov <kernel@kyup.com> Signed-off-by:
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Linus Walleij authored
commit 90f92c63 upstream. The following patch was sketched by Russell in response to my crashes on the PB11MPCore after the patch for software-based priviledged no access support for ARMv8.1. See this thread: http://marc.info/?l=linux-arm-kernel&m=144051749807214&w=2 I am unsure what is going on, I suspect everyone involved in the discussion is. I just want to repost this to get the discussion restarted, as I still have to apply this patch with every kernel iteration to get my PB11MPCore Realview running. Testing by Neil Armstrong on the Oxnas NAS has revealed that this bug exist also on that widely deployed hardware, so we are probably currently regressing all ARM11MPCore systems. Cc: Russell King <linux@armlinux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Fixes: a5e090ac ("ARM: software-based priviledged-no-access support") Tested-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
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Arnd Bergmann authored
commit f0e8faa7 upstream. This function clearly never worked and always returns true, as pointed out by gcc-7: arch/arm/mach-ux500/pm.c: In function 'prcmu_is_cpu_in_wfi': arch/arm/mach-ux500/pm.c:137:212: error: ?: using integer constants in boolean context, the expression will always evaluate to 'true' [-Werror=int-in-bool-context] With the added braces, the condition actually makes sense. Fixes: 34fe6f10 ("mfd : Check if the other db8500 core is in WFI") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by:
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Adam Ford authored
commit 1ea6af32 upstream. This fixes commit ab8dd3ae ("ARM: DTS: Add minimal Support for Logic PD DM3730 SOM-LV") where the Card Detect and Write Protect pins were improperly configured. Fixes: ab8dd3ae ("ARM: DTS: Add minimal Support for Logic PD DM3730 SOM-LV") Signed-off-by:
Adam Ford <aford173@gmail.com> Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Gary Bisson authored
commit 6ab5c2b6 upstream. This patch fixes the following error: sgtl5000 0-000a: Error reading chip id -6 imx-sgtl5000 sound: ASoC: CODEC DAI sgtl5000 not registered imx-sgtl5000 sound: snd_soc_register_card failed (-517) The problem was that the pinctrl group was linked to the sound driver instead of the codec node. Since the codec is probed first, the sys_mclk was missing and it would therefore fail to initialize. Fixes: b32e7002 ("ARM: dts: imx: add Boundary Devices Nitrogen6_Max board") Signed-off-by:
Gary Bisson <gary.bisson@boundarydevices.com> Signed-off-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
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Javier Martinez Canillas authored
commit 3d37d41a upstream. Commit d1f3156f ("ARM: dts: omap2: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: d1f3156f ("ARM: dts: omap2: Remove skeleton.dtsi usage") Reported-by:
Pali Rohar <pali.rohar@gmail.com> Signed-off-by:
Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
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Javier Martinez Canillas authored
commit 23ab4c61 upstream. Commit 008a2ebc ("ARM: dts: omap3: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 008a2ebc ("ARM: dts: omap3: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit ce95077d upstream. Commit 75813028 ("ARM: dts: am4372: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 75813028 ("ARM: dts: am4372: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit c9faa84c upstream. Commit 76a8548e ("ARM: dts: omap5: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 76a8548e ("ARM: dts: omap5: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit 6c565d1a upstream. Commit da6269e7 ("ARM: dts: omap4: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: da6269e7 ("ARM: dts: omap4: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit 1d8d6d3f upstream. Commit f8bf0161 ("ARM: dts: am33xx: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: f8bf0161 ("ARM: dts: am33xx: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit 9536fd30 upstream. Commit 76155b37 ("ARM: dts: dm814x: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 76155b37 ("ARM: dts: dm814x: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit 6ed80b3a upstream. Commit 06bfb9c1 ("ARM: dts: dm816x: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 06bfb9c1 ("ARM: dts: dm816x: Remove skeleton.dtsi usage") Reported-by:
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Javier Martinez Canillas authored
commit 7f6c857b upstream. Commit 55871eb6 ("ARM: dts: dra7: Remove skeleton.dtsi usage") removed the skeleton.dtsi usage since we want to get rid of it. But this can cause issues when booting a kernel with a boot-loader that doesn't create a chosen node if this isn't present in the DTB since the decompressor relies on a pre-existing chosen node to be available to insert the command line and merge other ATAGS info. Fixes: 55871eb6 ("ARM: dts: dra7: Remove skeleton.dtsi usage") Reported-by:
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Ilya Dryomov authored
commit 2b1e1a7c upstream. Signed-off-by:
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Ilya Dryomov authored
commit e15fd0a1 upstream. Signed-off-by:
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Ilya Dryomov authored
commit d03857c6 upstream. Signed-off-by:
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Ilya Dryomov authored
commit 4eb4517c upstream. - replace an ad-hoc array with a struct - rename to calc_signature() for consistency Signed-off-by:
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Ilya Dryomov authored
commit 7882a26d upstream. It's going to be used as a temporary buffer for in-place en/decryption with ceph_crypt() instead of on-stack buffers, so rename to enc_buf. Ensure alignment to avoid GFP_ATOMIC allocations in the crypto stack. Signed-off-by:
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Ilya Dryomov authored
commit a45f795c upstream. Starting with 4.9, kernel stacks may be vmalloced and therefore not guaranteed to be physically contiguous; the new CONFIG_VMAP_STACK option is enabled by default on x86. This makes it invalid to use on-stack buffers with the crypto scatterlist API, as sg_set_buf() expects a logical address and won't work with vmalloced addresses. There isn't a different (e.g. kvec-based) crypto API we could switch net/ceph/crypto.c to and the current scatterlist.h API isn't getting updated to accommodate this use case. Allocating a new header and padding for each operation is a non-starter, so do the en/decryption in-place on a single pre-assembled (header + data + padding) heap buffer. This is explicitly supported by the crypto API: "... the caller may provide the same scatter/gather list for the plaintext and cipher text. After the completion of the cipher operation, the plaintext data is replaced with the ciphertext data in case of an encryption and vice versa for a decryption." Signed-off-by:
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Ilya Dryomov authored
commit 55d9cc83 upstream. Signed-off-by:
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Ilya Dryomov authored
commit 462e6504 upstream. Since commit 0a990e70 ("ceph: clean up service ticket decoding"), th->session_key isn't assigned until everything is decoded. Signed-off-by:
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Ilya Dryomov authored
commit 36721ece upstream. Pass what's going to be encrypted - that's msg_b, not ticket_blob. ceph_x_encrypt_buflen() returns the upper bound, so this doesn't change the maxlen calculation, but makes it a bit clearer. Signed-off-by:
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Paul Donohue authored
commit 864db929 upstream. The current Alps SS5 (SS4 v2) code generates bogus TouchPad events when TrackStick packets are processed. This causes the xorg synaptics driver to print "unable to find touch point 0" and "BUG: triggered 'if (priv->num_active_touches > priv->num_slots)'" messages. It also causes unexpected TouchPad button release and re-click event sequences if the TrackStick is moved while holding a TouchPad button. This commit corrects the problem by adjusting alps_process_packet_ss4_v2() so that it only sends TrackStick reports when processing TrackStick packets. Reviewed-by:
Paul Donohue <linux-kernel@PaulSD.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
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Dave Martin authored
commit ad9e202a upstream. We cannot preserve partial fields for hardware breakpoints, because the values written by userspace to the hardware breakpoint registers can't subsequently be recovered intact from the hardware. So, just reject attempts to write incomplete fields with -EINVAL. Fixes: 478fcb2c ("arm64: Debugging support") Signed-off-by:
Dave Martin <Dave.Martin@arm.com> Acked-by:
Will Deacon <Will.Deacon@arm.com> Signed-off-by:
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