- 03 Aug, 2015 40 commits
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Lv Zheng authored
commit c04be184 upstream. ACPICA commit 90f5332a15e9d9ba83831ca700b2b9f708274658 This patch adds a new FACS initialization flag for acpi_tb_initialize(). acpi_enable_subsystem() might be invoked several times in OS bootup process, and we don't want FACS initialization to be invoked twice. Lv Zheng. Link: https://github.com/acpica/acpica/commit/90f5332aSigned-off-by:
Lv Zheng <lv.zheng@intel.com> Signed-off-by:
Bob Moore <robert.moore@intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Ilya Dryomov authored
commit 82cd003a upstream. struct crush_bucket_tree::num_nodes is u8, so ceph_decode_8_safe() should be used. -Wconversion catches this, but I guess it went unnoticed in all the noise it spews. The actual problem (at least for common crushmaps) isn't the u32 -> u8 truncation though - it's the advancement by 4 bytes instead of 1 in the crushmap buffer. Fixes: http://tracker.ceph.com/issues/2759Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Reviewed-by:
Josh Durgin <jdurgin@redhat.com> Signed-off-by:
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Miklos Szeredi authored
commit 0ad0b325 upstream. fc->release is called from fuse_conn_put() which was used in the error cleanup before fc->release was initialized. [Jeremiah Mahler <jmmahler@gmail.com>: assign fc->release after calling fuse_conn_init(fc) instead of before.] Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Fixes: a325f9b9 ("fuse: update fuse_conn_init() and separate out fuse_conn_kill()") Signed-off-by:
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Filipe Manana authored
commit c3f4a168 upstream. The free space entries are allocated using kmem_cache_zalloc(), through __btrfs_add_free_space(), therefore we should use kmem_cache_free() and not kfree() to avoid any confusion and any potential problem. Looking at the kfree() definition at mm/slab.c it has the following comment: /* * (...) * * Don't free memory not originally allocated by kmalloc() * or you will run into trouble. */ So better be safe and use kmem_cache_free(). Signed-off-by:
Filipe Manana <fdmanana@suse.com> Reviewed-by:
David Sterba <dsterba@suse.cz> Signed-off-by:
Chris Mason <clm@fb.com> Signed-off-by:
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Firo Yang authored
commit 4e023612 upstream. Warning like this: drivers/md/md.c: In function "update_array_info": drivers/md/md.c:6394:26: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] !mddev->persistent != info->not_persistent|| Fix it as Neil Brown said: mddev->persistent != !info->not_persistent || Signed-off-by:
Firo Yang <firogm@gmail.com> Signed-off-by:
NeilBrown <neilb@suse.de> Signed-off-by:
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Stevens, Nick authored
commit 347d7e45 upstream. The mcp3021 scaling code is dividing the VDD (full-scale) value in millivolts by the A2D resolution to obtain the scaling factor. When VDD is 3300mV (the standard value) and the resolution is 12-bit (4096 divisions), the result is a scale factor of 3300/4096, which is always one. Effectively, the raw A2D reading is always being returned because no scaling is applied. This patch fixes the issue and simplifies the register-to-volts calculation, removing the unneeded "output_scale" struct member. Signed-off-by:
Nick Stevens <Nick.Stevens@digi.com> [Guenter Roeck: Dropped unnecessary value check] Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Lior Amsalem authored
commit 9136291f upstream. This patch fixes a bug in the XOR driver where the cleanup function can be called and free descriptors that never been processed by the engine (which result in data errors). The cleanup function will free descriptors based on the ownership bit in the descriptors. Fixes: ff7b0479 ("dmaengine: DMA engine driver for Marvell XOR engine") Signed-off-by:
Lior Amsalem <alior@marvell.com> Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by:
Ofer Heifetz <oferh@marvell.com> Signed-off-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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Steven Rostedt (Red Hat) authored
commit 6224beb1 upstream. Fengguang Wu's tests triggered a bug in the branch tracer's start up test when CONFIG_DEBUG_PREEMPT set. This was because that config adds some debug logic in the per cpu field, which calls back into the branch tracer. The branch tracer has its own recursive checks, but uses a per cpu variable to implement it. If retrieving the per cpu variable calls back into the branch tracer, you can see how things will break. Instead of using a per cpu variable, use the trace_recursion field of the current task struct. Simply set a bit when entering the branch tracing and clear it when leaving. If the bit is set on entry, just don't do the tracing. There's also the case with lockdep, as the local_irq_save() called before the recursion can also trigger code that can call back into the function. Changing that to a raw_local_irq_save() will protect that as well. This prevents the recursion and the inevitable crash that follows. Link: http://lkml.kernel.org/r/20150630141803.GA28071@wfg-t540p.sh.intel.comReported-by:
Fengguang Wu <fengguang.wu@intel.com> Tested-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Steven Rostedt (Red Hat) authored
commit 6b88f44e upstream. While debugging a WARN_ON() for filtering, I found that it is possible for the filter string to be referenced after its end. With the filter: # echo '>' > /sys/kernel/debug/events/ext4/ext4_truncate_exit/filter The filter_parse() function can call infix_get_op() which calls infix_advance() that updates the infix filter pointers for the cnt and tail without checking if the filter is already at the end, which will put the cnt to zero and the tail beyond the end. The loop then calls infix_next() that has ps->infix.cnt--; return ps->infix.string[ps->infix.tail++]; The cnt will now be below zero, and the tail that is returned is already passed the end of the filter string. So far the allocation of the filter string usually has some buffer that is zeroed out, but if the filter string is of the exact size of the allocated buffer there's no guarantee that the charater after the nul terminating character will be zero. Luckily, only root can write to the filter. Signed-off-by:
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Steven Rostedt (Red Hat) authored
commit b4875bbe upstream. When testing the fix for the trace filter, I could not come up with a scenario where the operand count goes below zero, so I added a WARN_ON_ONCE(cnt < 0) to the logic. But there is legitimate case that it can happen (although the filter would be wrong). # echo '>' > /sys/kernel/debug/events/ext4/ext4_truncate_exit/filter That is, a single operation without any operands will hit the path where the WARN_ON_ONCE() can trigger. Although this is harmless, and the filter is reported as a error. But instead of spitting out a warning to the kernel dmesg, just fail nicely and report it via the proper channels. Link: http://lkml.kernel.org/r/558C6082.90608@oracle.comReported-by:
Vince Weaver <vincent.weaver@maine.edu> Reported-by:
Sasha Levin <sasha.levin@oracle.com> Signed-off-by:
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Arne Fitzenreiter authored
commit cda57b1b upstream. This device loses blocks, often the partition table area, on trim. Disable TRIM. http://pcengines.ch/msata16a.htmSigned-off-by:
Arne Fitzenreiter <arne_f@ipfire.org> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Arne Fitzenreiter authored
commit 71d126fd upstream. Some devices lose data on TRIM whether queued or not. This patch adds a horkage to disable TRIM. tj: Collapsed unnecessary if() nesting. Signed-off-by:
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Hon Ching \\(Vicky\\) Lo authored
commit 9d75f089 upstream. tpm_ibmvtpm_probe() calls ibmvtpm_reset_crq(ibmvtpm) without having yet set the virtual device in the ibmvtpm structure. So in ibmvtpm_reset_crq, the phype call contains empty unit addresses, ibmvtpm->vdev->unit_address. Signed-off-by:
Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by:
Joy Latten <jmlatten@linux.vnet.ibm.com> Reviewed-by:
Ashley Lai <ashley@ahsleylai.com> Fixes: 132f7629 ("drivers/char/tpm: Add new device driver to support IBM vTPM") Signed-off-by:
Peter Huewe <peterhuewe@gmx.de> Signed-off-by:
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Eric Sandeen authored
commit 2ac56d3d upstream. If we create a CRC filesystem, mount it, and create a symlink with a path long enough that it can't live in the inode, we get a very strange result upon remount: # ls -l mnt total 4 lrwxrwxrwx. 1 root root 929 Jun 15 16:58 link -> XSLM XSLM is the V5 symlink block header magic (which happens to be followed by a NUL, so the string looks terminated). xfs_readlink_bmap() advanced cur_chunk by the size of the header for CRC filesystems, but never actually used that pointer; it kept reading from bp->b_addr, which is the start of the block, rather than the start of the symlink data after the header. Looks like this problem goes back to v3.10. Fixing this gets us reading the proper link target, again. Signed-off-by:
Eric Sandeen <sandeen@redhat.com> Reviewed-by:
Dave Chinner <dchinner@redhat.com> Signed-off-by:
Dave Chinner <david@fromorbit.com> Signed-off-by:
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Zhao Junwang authored
commit 01447e9f upstream. legacy setcrtc ioctl does take a 32 bit value which might indeed overflow the checks of crtc_req->x > INT_MAX and crtc_req->y > INT_MAX aren't needed any more with this v2: -polish the annotation according to Daniel's comment Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Zhao Junwang <zhjwpku@gmail.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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Michel Dänzer authored
commit 233709d2 upstream. This can be the case when the GPU is powered off, e.g. via vgaswitcheroo or runpm. When the GPU is powered up again, radeon_gart_table_vram_pin flushes the TLB after setting rdev->gart.ptr to non-NULL. Fixes panic on powering off R7xx GPUs. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61529Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
Michel Dänzer <michel.daenzer@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Alex Deucher authored
commit 39fa10f7 upstream. Since we are messing with state in the worker. v2: drop the changes in the mst worker Signed-off-by:
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Frediano Ziglio authored
commit 2fa19535 upstream. If objects are moved back from system memory to VRAM (and spice id created again) memory is already initialized so we need to set flag to not clear memory. If you don't do it after a while using desktop many images turns to black or transparents. Signed-off-by:
Frediano Ziglio <fziglio@redhat.com> Reviewed-by:
Dave Airlie <airlied@redhat.com> Signed-off-by:
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Tomas Winkler authored
commit 9098f84c upstream. Enclosing mmc_blk_put() is missing in power_ro_lock_show() sysfs handler, let's add it. Fixes: add710ea ("mmc: boot partition ro lock support") Signed-off-by:
Tomas Winkler <tomas.winkler@intel.com> Signed-off-by:
Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by:
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Joe Thornber authored
commit 1c751879 upstream. Allocate memory using GFP_NOIO when deleting a btree. dm_btree_del() can be called via an ioctl and we don't want to recurse into the FS or block layer. Signed-off-by:
Joe Thornber <ejt@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Dennis Yang authored
commit 4c7e3093 upstream. redistribute3() shares entries out across 3 nodes. Some entries were being moved the wrong way, breaking the ordering. This manifested as a BUG() in dm-btree-remove.c:shift() when entries were removed from the btree. For additional context see: https://www.redhat.com/archives/dm-devel/2015-May/msg00113.htmlSigned-off-by:
Dennis Yang <shinrairis@gmail.com> Signed-off-by:
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AMAN DEEP authored
commit 34968106 upstream. virt_dev->num_cached_rings counts on freed ring and is not updated correctly. In xhci_free_or_cache_endpoint_ring() function, the free ring is added into cache and then num_rings_cache is incremented as below: virt_dev->ring_cache[rings_cached] = virt_dev->eps[ep_index].ring; virt_dev->num_rings_cached++; here, free ring pointer is added to a current index and then index is incremented. So current index always points to empty location in the ring cache. For getting available free ring, current index should be decremented first and then corresponding ring buffer value should be taken from ring cache. But In function xhci_endpoint_init(), the num_rings_cached index is accessed before decrement. virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; virt_dev->num_rings_cached--; This is bug in manipulating the index of ring cache. And it should be as below: virt_dev->num_rings_cached--; virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; Signed-off-by:
Aman Deep <aman.deep@samsung.com> Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Claudio Cappelli authored
commit f6d7fb37 upstream. Add device Olivetti Olicard 300 (Network Connect: MT6225) - IDs 2020:4000. T: Bus=01 Lev=02 Prnt=04 Port=00 Cnt=01 Dev#= 10 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=2020 ProdID=4000 Rev=03.00 S: Manufacturer=Network Connect S: Product=MT6225 C: #Ifs= 7 Cfg#= 1 Atr=a0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option I: If#= 6 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage Signed-off-by:
Claudio Cappelli <claudio.cappelli.linux@gmail.com> Suggested-by:
Lars Melin <larsm17@gmail.com> [johan: amend commit message with devices info ] Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Peter Sanford authored
commit f98a7aa8 upstream. Add the USB serial console device ID for Aruba Networks 7xxx series controllers which have a USB port for their serial console. Signed-off-by:
Peter Sanford <peter@sanford.io> Signed-off-by:
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Dan Carpenter authored
commit 83ed07c5 upstream. Static checkers complain that the current condition is never true. It seems pretty likely that it's a typo and "URB" was intended instead of "USB". Fixes: 3d97ff63 ('usbdevfs: Use scatter-gather lists for large bulk transfers') Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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John Youn authored
commit aebda618 upstream. This fixes an issue introduced in commit b23c8439 (usb: dwc3: gadget: fix DEPSTARTCFG for non-EP0 EPs) that made sure we would only use DEPSTARTCFG once per SetConfig. The trick is that we should use one DEPSTARTCFG per SetConfig *OR* SetInterface. SetInterface was completely missed from the original patch. This problem became aparent after commit 76e838c9 (usb: dwc3: gadget: return error if command sent to DEPCMD register fails) added checking of the return status of device endpoint commands. 'Set Endpoint Transfer Resource' command was caught failing occasionally. This is because the Transfer Resource Index was not getting reset during a SET_INTERFACE request. Finally, to fix the issue, was we have to do is make sure that our start_config_issued flag gets reset whenever we receive a SetInterface request. To verify the problem (and its fix), all we have to do is run test 9 from testusb with 'testusb -t 9 -s 2048 -a -c 5000'. Tested-by:
Huang Rui <ray.huang@amd.com> Tested-by:
Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> Fixes: b23c8439 (usb: dwc3: gadget: fix DEPSTARTCFG for non-EP0 EPs) Signed-off-by:
John Youn <johnyoun@synopsys.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Subbaraya Sundeep Bhatta authored
commit 76e838c9 upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by:
Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Fixes: 72246da4 (usb: Introduce DesignWare USB3 DRD Driver) Signed-off-by:
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Subbaraya Sundeep Bhatta authored
commit 891b1dc0 upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by:
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Mikulas Patocka authored
commit d531be2c upstream. I have a ST4000DM000 disk. If Linux is booted while the disk is spun down, the command that sets transfer mode causes the disk to spin up. The spin-up takes longer than the default 5s timeout, so the command fails and timeout is reported. Fix this by increasing the timeout to 15s, which is enough for the disk to spin up. Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Signed-off-by:
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Aleksei Mamlin authored
commit 08c85d2a upstream. Enabling AA on HP 250GB SATA disk VB0250EAVER causes errors: [ 3.788362] ata3.00: failed to enable AA (error_mask=0x1) [ 3.789243] ata3.00: failed to enable AA (error_mask=0x1) Add the ATA_HORKAGE_BROKEN_FPDMA_AA for this specific harddisk. tj: Collected FPDMA_AA entries and updated comment. Signed-off-by:
Aleksei Mamlin <mamlinav@gmail.com> Signed-off-by:
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Zidan Wang authored
commit a077e81e upstream. the enum of "DAC Polarity" should be wm8960_enum[1]. Signed-off-by:
Zidan Wang <zidan.wang@freescale.com> Acked-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Axel Lin authored
commit ebb6ad73 upstream. VMID Control 0 BIT[2:1] is VMID Divider Enable and Select 00 = VMID disabled (for OFF mode) 01 = 2 x 50kΩ divider (for normal operation) 10 = 2 x 250kΩ divider (for low power standby) 11 = 2 x 5kΩ divider (for fast start-up) So WM8903_VMID_RES_250K should be 2 << 1, which is 4. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Signed-off-by:
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Axel Lin authored
commit 12c35005 upstream. WM8955_K_8_0_MASK bits is controlled by WM8955_PLL_CONTROL_3 rather than WM8955_PLL_CONTROL_2. Signed-off-by:
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Axel Lin authored
commit 14ba3ec1 upstream. According to the datasheet: R10 (0Ah) VMID Impedance Control BIT 3:2 VMIDSEL DEFAULT 00 DESCRIPTION: VMID impedance selection control 00: 75kΩ output 01: 300kΩ output 10: 2.5kΩ output WM8737_VMIDSEL_MASK is 0xC (VMIDSEL - [3:2]), so it needs to left shift WM8737_VMIDSEL_SHIFT bits for setting these bits. Signed-off-by:
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Mauro Carvalho Chehab authored
commit 1fa2337a upstream. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows to write up much more values: drivers/media/dvb-frontends/cx24116.c:983 cx24116_send_diseqc_msg() error: buffer overflow 'd->msg' 6 <= 23 Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by:
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Mauro Carvalho Chehab authored
commit 12f4543f upstream. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows to write up to 7 values: drivers/media/dvb-frontends/s5h1420.c:193 s5h1420_send_master_cmd() error: buffer overflow 'cmd->msg' 6 <= 7 Signed-off-by:
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Mauro Carvalho Chehab authored
commit d7b76c91 upstream. If userspace sends an invalid bandwidth, it should either return EINVAL or switch to auto mode. This driver will go past an array and program the hardware on a wrong way if this happens. Signed-off-by:
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JM Friedt authored
commit adfa9698 upstream. The value sent on the SPI bus is shifted by an erroneous number of bits. The shift value was already computed in the iio_chan_spec structure and hence subtracting this argument to 16 yields an erroneous data position in the SPI stream. Signed-off-by:
JM Friedt <jmfriedt@femto-st.fr> Acked-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Cyrille Pitchen authored
commit 93563a6a upstream. For TX transactions, the TXCOMP bit in the Status Register is cleared when the first data is written into the Transmit Holding Register. In the lines from at91_do_twi_transfer(): at91_twi_write_data_dma(dev); at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); the TXCOMP interrupt may be enabled before the DMA controller has actually started to write into the THR. In such a case, the TXCOMP bit is still set into the Status Register so the interrupt is triggered immediately. The driver understands that a transaction completion has occurred but this transaction hasn't started yet. Hence the TXCOMP interrupt is no longer enabled by at91_do_twi_transfer() but instead by at91_twi_write_data_dma_callback(). Also, the TXCOMP bit in the Status Register in not a clear on read flag but a snapshot of the transmission state at the time the Status Register is read. When a NACK error is dectected by the I2C controller, the TXCOMP, NACK and TXRDY bits are set together to 1 in the SR. If enabled, the TXCOMP interrupt is triggered at the same time. Also setting the TXRDY to 1 triggers the DMA controller to write the next data into the THR. Such a write resets the TXCOMP bit to 0 in the SR. So depending on when the interrupt handler reads the SR, it may fail to detect the NACK error if it relies on the TXCOMP bit. The NACK bit and its interrupt should be used instead. For RX transactions, the TXCOMP bit in the Status Register is cleared when the START bit is set into the Control Register. However to unify the management of the TXCOMP bit when the DMA controller is used, the TXCOMP interrupt is now enabled by the DMA callbacks for both TX and RX transfers. Signed-off-by:
Cyrille Pitchen <cyrille.pitchen@atmel.com> Acked-by:
Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de> Signed-off-by:
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Joseph Qi authored
commit 6f6a6fda upstream. If updating journal superblock fails after journal data has been flushed, the error is omitted and this will mislead the caller as a normal case. In ocfs2, the checkpoint will be treated successfully and the other node can get the lock to update. Since the sb_start is still pointing to the old log block, it will rewrite the journal data during journal recovery by the other node. Thus the new updates will be overwritten and ocfs2 corrupts. So in above case we have to return the error, and ocfs2_commit_cache will take care of the error and prevent the other node to do update first. And only after recovering journal it can do the new updates. The issue discussion mail can be found at: https://oss.oracle.com/pipermail/ocfs2-devel/2015-June/010856.html http://comments.gmane.org/gmane.comp.file-systems.ext4/48841 [ Fixed bug in patch which allowed a non-negative error return from jbd2_cleanup_journal_tail() to leak out of jbd2_fjournal_flush(); this was causing xfstests ext4/306 to fail. -- Ted ] Reported-by:
Yiwen Jiang <jiangyiwen@huawei.com> Signed-off-by:
Joseph Qi <joseph.qi@huawei.com> Signed-off-by:
Theodore Ts'o <tytso@mit.edu> Tested-by:
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