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linux-stable/drivers/dma
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Tudor Ambarus 6e5ad28d16 dmaengine: at_hdmac: Protect atchan->status with the channel lock 
Now that the complete callback call was removed from
device_terminate_all(), we can protect the atchan->status with the channel
lock. The atomic bitops on atchan->status do not substitute proper locking
on the status, as one could still modify the status after the lock was
dropped in atc_terminate_all() but before the atomic bitops were executed.

Fixes: 078a650614 ("dmaengine: at_hdmac: Fix deadlocks")
Reported-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/lkml/13c6c9a2-6db5-c3bf-349b-4c127ad3496a@axentia.se/
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-7-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-11-08 10:43:56 +05:30
..
bestcomm treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2) 2022-06-10 14:51:35 +02:00
dw dmaengine updates for v6.0-rc1 2022-08-04 18:44:38 -07:00
dw-axi-dmac dmaengine updates for v6.0-rc1 2022-08-04 18:44:38 -07:00
dw-edma dmaengine: dw-edma: Remove runtime PM support 2022-09-29 22:46:08 +05:30
fsl-dpaa2-qdma dmaengine: fsl-dpaa2-qdma: Drop comma after SoC match table sentinel 2022-03-11 15:47:39 +05:30
hsu dmaengine: hsu: Include headers we are direct user of 2022-09-04 22:49:35 +05:30
idxd dmaengine: idxd: fix RO device state error after been disabled/reset 2022-11-08 10:43:56 +05:30
ioat dmaengine: ioat: remove unused declarations in dma.h 2022-09-29 22:46:09 +05:30
ipu dmaengine: ipu: Fix fall-through warning for Clang 2021-07-13 14:38:47 -05:00
lgm dmaengine: lgm: Fix an error handling path in intel_ldma_probe() 2022-07-06 10:53:25 +05:30
mediatek dmaengine: mediatek: mtk-hsdma: Fix typo 'the the' in comment 2022-07-26 22:06:05 +05:30
ppc4xx treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE 2022-06-10 14:51:37 +02:00
ptdma dmaengine: ptdma: statify pt_tx_status 2022-04-22 11:29:13 +05:30
qcom dmaengine: qcom-adm: fix wrong calling convention for prep_slave_sg 2022-09-29 22:46:07 +05:30
sf-pdma dmaengine: sf-pdma:Remove the print function dev_err() 2022-09-05 11:50:38 +05:30
sh dmaengine: sh: rcar-dmac: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper 2022-09-29 21:14:32 +05:30
ti dmaengine: ti: k3-udma-glue: fix memory leak when register device fail 2022-11-08 10:43:56 +05:30
xilinx dmaengine updates for v6.1-rc1 2022-10-07 15:56:34 -07:00
acpi-dma.c dmaengine: acpi: Check for errors from acpi_register_gsi() separately 2021-08-06 21:48:11 +05:30
altera-msgdma.c dmaengine: altera-msgdma: Fixed some inconsistent function name descriptions 2022-07-06 22:00:06 +05:30
amba-pl08x.c dmaengine: pl08x: Fix double word 2022-09-29 12:24:16 +05:30
apple-admac.c dmaengine: apple-admac: Fix grabbing of channels in of_xlate 2022-11-08 10:43:56 +05:30
at_hdmac.c dmaengine: at_hdmac: Protect atchan->status with the channel lock 2022-11-08 10:43:56 +05:30
at_hdmac_regs.h dmaengine: at_hdmac: Fix at_lli struct definition 2022-11-08 10:43:56 +05:30
at_xdmac.c dmaengine: at_xdmac: Replace two if statements with only one with two conditions 2022-09-05 12:01:55 +05:30
bcm-sba-raid.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
bcm2835-dma.c
dma-axi-dmac.c dmaengine: axi-dmac: check cache coherency register 2022-07-26 22:05:20 +05:30
dma-jz4780.c dmaengine: jz4780: fix typo in comment 2022-07-06 10:51:43 +05:30
dmaengine.c dmaengine: remove DMA_MEMCPY_SG once again 2022-06-27 12:01:40 +05:30
dmaengine.h dmaengine: dmaengine_desc_callback_valid(): Check for callback_result 2021-10-25 09:42:56 +05:30
dmatest.c treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
ep93xx_dma.c dmaengine: ep93xx: Fix typo in comments 2022-07-01 21:50:23 +05:30
fsl-edma-common.c dmaengine: fsl-edma: remove redundant assignment to pointer last_sg 2022-07-01 22:09:16 +05:30
fsl-edma-common.h dmaengine: fsl-edma: support edma memcpy 2021-10-28 22:56:24 +05:30
fsl-edma.c dmaengine: fsl-edma: support edma memcpy 2021-10-28 22:56:24 +05:30
fsl-qdma.c dmaengine: fsl-qdma: check dma_set_mask return value 2021-05-10 19:51:03 +05:30
fsl_raid.c
fsl_raid.h
fsldma.c
fsldma.h
hisi_dma.c dmaengine: hisilicon: Dump regs to debugfs 2022-09-04 22:42:35 +05:30
idma64.c
idma64.h
img-mdc-dma.c
imx-dma.c dmaengine: imx-dma: Cast of_device_get_match_data() with (uintptr_t) 2022-07-21 18:08:35 +05:30
imx-sdma.c dmaengine updates for v6.0-rc1 2022-08-04 18:44:38 -07:00
iop-adma.c
iop-adma.h
k3dma.c dmaengine: k3dma: use the correct HiSilicon copyright 2021-04-12 17:14:53 +05:30
Kconfig dmaengine: dw-axi-dmac: Drop obsolete dependency on COMPILE_TEST 2022-09-05 12:01:55 +05:30
lpc18xx-dmamux.c
Makefile dmaengine: apple-admac: Add Apple ADMAC driver 2022-06-09 12:20:20 +05:30
mcf-edma.c
milbeaut-hdmac.c dmaengine: milbeaut-hdmac: Prefer kcalloc over open coded arithmetic 2021-10-25 12:12:13 +05:30
milbeaut-xdmac.c
mmp_pdma.c dmaengine: mmp: deprecate '#dma-channels' 2022-05-19 22:53:46 +05:30
mmp_tdma.c
moxart-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2) 2022-06-10 14:51:35 +02:00
mpc512x_dma.c dmaengine: mpc512x: Fix fall-through warning for Clang 2021-07-14 11:05:55 -05:00
mv_xor.c
mv_xor.h
mv_xor_v2.c dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove() 2022-11-08 10:43:56 +05:30
mxs-dma.c dmaengine: mxs: use platform_driver_register 2022-09-29 12:05:20 +05:30
nbpfaxi.c dmaengine: nbpfaxi: Use platform_get_irq_optional() to get the interrupt 2022-04-11 16:26:53 +05:30
of-dma.c dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available 2021-07-28 12:54:50 +05:30
owl-dma.c dmaengine: owl: fix typo in comment 2022-07-06 10:50:43 +05:30
pch_dma.c dmaengine: pch_dma: Remove usage of the deprecated "pci-dma-compat.h" API 2022-01-08 22:16:44 +05:30
pl330.c dmaengine: pl330: Remove unused flags 2022-09-05 12:01:54 +05:30
plx_dma.c dmaengine: plx_dma: Move spin_lock_bh() to spin_lock() 2022-04-20 15:59:33 +05:30
pxa_dma.c dmaengine: pxa_dma: use platform_get_irq_optional 2022-11-08 10:42:51 +05:30
s3c24xx-dma.c dmaengine: virt-dma: Fix double word in comments 2022-09-29 12:22:27 +05:30
sa11x0-dma.c dmaengine: sa11x0: Mark PM functions as __maybe_unused 2021-10-26 10:55:07 +05:30
sprd-dma.c dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed 2022-07-26 18:20:49 +05:30
st_fdma.c dmaengine: st_fdma: fix MODULE_ALIAS 2021-12-13 13:18:48 +05:30
st_fdma.h
ste_dma40.c dmaengine: ste_dma40: fix typo in comment 2022-07-06 10:54:08 +05:30
ste_dma40_ll.c
ste_dma40_ll.h
stm32-dma.c dmaengine: stm32-dma: fix potential race between pause and resume 2022-11-08 10:43:56 +05:30
stm32-dmamux.c dmaengine: stm32-dmamux: Simplify code and save a few bytes of memory 2022-09-05 11:52:28 +05:30
stm32-mdma.c dmaengine: stm32-mdma: memset stm32_mdma_chan_config struct before using it 2022-10-19 19:01:19 +05:30
sun4i-dma.c dmaengine: sun4i: Set the maximum segment size 2022-07-05 18:34:26 +05:30
sun6i-dma.c dmaengine: sun6i: Add support for the D1 variant 2022-05-19 23:43:41 +05:30
tegra20-apb-dma.c dmaengine: tegra20-apb: stop checking config->slave_id 2021-12-17 11:23:38 +05:30
tegra186-gpc-dma.c dmaengine: tegra: Add terminate() for Tegra234 2022-07-26 18:12:21 +05:30
tegra210-adma.c dmaengine: tegra210-adma: fix pm runtime unbalance in tegra_adma_remove 2021-10-25 10:06:10 +05:30
timb_dma.c
TODO
txx9dmac.c
txx9dmac.h
uniphier-mdmac.c
uniphier-xdmac.c dmaengine: uniphier-xdmac: Fix type of address variables 2022-01-03 17:49:37 +05:30
virt-dma.c
virt-dma.h
xgene-dma.c