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kernel_samsung_a53x/drivers/dma
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Amelie Delaunay 7ceb2a59aa dmaengine: stm32-mdma: abort resume if no ongoing transfer 
commit 81337b9a72dc58a5fa0ae8a042e8cb59f9bdec4a upstream.

chan->desc can be null, if transfer is terminated when resume is called,
leading to a NULL pointer when retrieving the hwdesc.
To avoid this case, check that chan->desc is not null and channel is
disabled (transfer previously paused or terminated).

Fixes: a4ffb13c8946 ("dmaengine: Add STM32 MDMA driver")
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231004163531.2864160-1-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-08 11:25:47 +01:00
..
bestcomm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dw Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dw-axi-dmac Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dw-edma Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl-dpaa2-qdma Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hsu Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idxd Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ioat Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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mediatek Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ppc4xx Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sf-pdma Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ti Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xilinx Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
acpi-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
altera-msgdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
amba-pl08x.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at_hdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at_hdmac_regs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
at_xdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm-sba-raid.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm2835-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
coh901318.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
coh901318.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
coh901318_lli.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dma-axi-dmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dma-jz4780.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dmaengine.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dmaengine.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dmatest.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ep93xx_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl-edma-common.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl-edma-common.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl-edma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl-qdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl_raid.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsl_raid.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsldma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsldma.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hisi_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idma64.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idma64.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
img-mdc-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imx-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
imx-sdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iop-adma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iop-adma.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
k3dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lpc18xx-dmamux.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mcf-edma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
milbeaut-hdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
milbeaut-xdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mmp_pdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mmp_tdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
moxart-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mpc512x_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mv_xor.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mv_xor.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mv_xor_v2.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mxs-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nbpfaxi.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
of-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
owl-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pch_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pl330.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
plx_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pxa_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s3c24xx-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sa11x0-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
samsung-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sirf-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sprd-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
st_fdma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
st_fdma.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ste_dma40.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ste_dma40_ll.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ste_dma40_ll.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stm32-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stm32-dmamux.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
stm32-mdma.c dmaengine: stm32-mdma: abort resume if no ongoing transfer 2024-11-08 11:25:47 +01:00
sun4i-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sun6i-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tegra20-apb-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tegra210-adma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
timb_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
TODO Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
txx9dmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
txx9dmac.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uniphier-mdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uniphier-xdmac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
virt-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
virt-dma.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xgene-dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
zx_dma.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00