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Christophe JAILLET 758f735604 dmaengine: pxa_dma: Remove an erroneous BUG_ON() in pxad_free_desc() 
[ Upstream commit 83c761f568 ]

If pxad_alloc_desc() fails on the first dma_pool_alloc() call, then
sw_desc->nb_desc is zero.
In such a case pxad_free_desc() is called and it will BUG_ON().

Remove this erroneous BUG_ON().

It is also useless, because if "sw_desc->nb_desc == 0", then, on the first
iteration of the for loop, i is -1 and the loop will not be executed.
(both i and sw_desc->nb_desc are 'int')

Fixes: a57e16cf03 ("dmaengine: pxa: add pxa dmaengine driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c8fc5563c9593c914fde41f0f7d1489a21b45a9a.1696676782.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:06:53 +01:00
..
bestcomm
dmaengine: bestcomm: fix system boot lockups
2022-09-23 14:16:56 +02:00
dw
dmaengine: dw: Make it dependent to HAS_IOMEM
2021-04-21 13:00:50 +02:00
dw-axi-dmac
Add exception protection processing for vd in axi_chan_handle_err function
2023-01-24 07:19:56 +01:00
dw-edma
dmaengine: dw-edma: Fix to enable to issue dma request on DMA processing
2023-05-17 11:48:05 +02:00
fsl-dpaa2-qdma
dmaengine: fsl-dpaa2-qdma: Fix error return code in two functions
2021-06-23 14:42:40 +02:00
hsu
dmaengine: hsu: disable spurious interrupt
2021-03-04 11:37:55 +01:00
idxd
dmaengine: idxd: add missing callback function to support DMA_INTERRUPT
2022-06-14 18:32:47 +02:00
ioat
dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup()
2022-10-26 13:25:39 +02:00
ipu
…
mediatek
dmaengine: mediatek: Fix deadlock caused by synchronize_irq()
2023-10-25 11:54:16 +02:00
ppc4xx
…
qcom
dmaengine: QCOM_HIDMA_MGMT depends on HAS_IOMEM
2021-06-23 14:42:40 +02:00
sf-pdma
dmaengine: sf-pdma: Add multithread support for a DMA channel
2022-08-21 15:15:57 +02:00
sh
dmaengine: Revert "dmaengine: shdma: Fix runtime PM imbalance on error"
2022-04-13 21:01:10 +02:00
ti
dmaengine: ti: edma: handle irq_of_parse_and_map() errors
2023-11-20 11:06:52 +01:00
xilinx
dmaengine: xilinx_dma: call of_node_put() when breaking out of for_each_child_of_node()
2023-02-01 08:23:15 +01:00
acpi-dma.c
dmaengine: acpi: Avoid comparison GSI with Linux vIRQ
2021-09-26 14:08:57 +02:00
altera-msgdma.c
…
amba-pl08x.c
…
at_hdmac_regs.h
dmaengine: at_hdmac: Fix at_lli struct definition
2022-11-16 09:57:17 +01:00
at_hdmac.c
dmaengine: at_hdmac: Check return code of dma_async_device_register
2022-11-16 09:57:20 +01:00
at_xdmac.c
dmaengine: at_xdmac: fix potential Oops in at_xdmac_prep_interleaved()
2023-06-09 10:30:04 +02:00
bcm2835-dma.c
…
bcm-sba-raid.c
…
coh901318_lli.c
…
coh901318.c
…
coh901318.h
…
dma-axi-dmac.c
…
dma-jz4780.c
…
dmaengine.c
dmaengine: Fix double increment of client_count in dma_chan_get()
2023-02-01 08:23:14 +01:00
dmaengine.h
dmaengine: dmaengine_desc_callback_valid(): Check for callback_result
2021-11-18 14:04:24 +01:00
dmatest.c
…
ep93xx_dma.c
…
fsl_raid.c
…
fsl_raid.h
…
fsl-edma-common.c
…
fsl-edma-common.h
…
fsl-edma.c
…
fsl-qdma.c
dmaengine: fsl-qdma: check dma_set_mask return value
2021-07-20 16:05:38 +02:00
fsldma.c
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
2021-03-04 11:37:55 +01:00
fsldma.h
…
hisi_dma.c
dmaengine: hisilicon: Add multi-thread support for a DMA channel
2022-10-26 13:25:34 +02:00
idma64.c
…
idma64.h
…
img-mdc-dma.c
…
imx-dma.c
dmaengine: imx-dma: configure the generic DMA type to make it work
2021-08-12 13:22:05 +02:00
imx-sdma.c
dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init
2023-02-06 07:56:15 +01:00
iop-adma.c
…
iop-adma.h
…
k3dma.c
…
Kconfig
idmaengine: make FSL_EDMA and INTEL_IDMA64 depends on HAS_IOMEM
2023-09-19 12:20:05 +02:00
lpc18xx-dmamux.c
…
Makefile
…
mcf-edma.c
dmaengine: mcf-edma: Fix a potential un-allocated memory access
2023-08-16 18:21:02 +02:00
milbeaut-hdmac.c
…
milbeaut-xdmac.c
dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function
2021-01-17 14:17:02 +01:00
mmp_pdma.c
dmaengine: pxa/mmp: stop referencing config->slave_id
2022-01-27 10:54:07 +01:00
mmp_tdma.c
…
moxart-dma.c
…
mpc512x_dma.c
…
mv_xor_v2.c
dmaengine: mv_xor_v2: Fix an error code.
2023-05-17 11:48:04 +02:00
mv_xor.c
…
mv_xor.h
…
mxs-dma.c
dmaengine: mxs: use platform_driver_register
2022-10-30 09:41:18 +01:00
nbpfaxi.c
…
of-dma.c
dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
2021-08-26 08:35:36 -04:00
owl-dma.c
dmaengine: owl-dma: Fix a resource leak in the remove function
2021-03-04 11:37:55 +01:00
pch_dma.c
…
pl330.c
dmaengine: pl330: Return DMA_PAUSED when transaction is paused
2023-08-16 18:20:59 +02:00
plx_dma.c
dmaengine: plx_dma: add a missing put_device() on error path
2021-04-21 13:00:51 +02:00
pxa_dma.c
dmaengine: pxa_dma: Remove an erroneous BUG_ON() in pxad_free_desc()
2023-11-20 11:06:53 +01:00
s3c24xx-dma.c
…
sa11x0-dma.c
…
sirf-dma.c
…
sprd-dma.c
dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed
2022-08-25 11:38:17 +02:00
st_fdma.c
dmaengine: st_fdma: fix MODULE_ALIAS
2021-12-22 09:30:53 +01:00
st_fdma.h
…
ste_dma40_ll.c
…
ste_dma40_ll.h
…
ste_dma40.c
dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe
2023-11-08 17:30:48 +01:00
stm32-dma.c
dmaengine: stm32-dma: Fix PM usage counter imbalance in stm32 dma ops
2021-08-12 13:22:04 +02:00
stm32-dmamux.c
dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe
2022-02-23 12:01:07 +01:00
stm32-mdma.c
dmaengine: stm32-mdma: abort resume if no ongoing transfer
2023-10-25 11:54:14 +02:00
sun4i-dma.c
…
sun6i-dma.c
…
tegra20-apb-dma.c
dmaengine: tegra20: Fix runtime PM imbalance on error
2021-04-28 13:40:01 +02:00
tegra210-adma.c
dmaengine: tegra210-adma: fix global intr clear
2023-01-24 07:20:00 +01:00
timb_dma.c
…
TODO
…
txx9dmac.c
…
txx9dmac.h
…
uniphier-mdmac.c
…
uniphier-xdmac.c
dmaengine: uniphier-xdmac: Fix type of address variables
2022-01-27 10:54:29 +01:00
virt-dma.c
…
virt-dma.h
…
xgene-dma.c
…
zx_dma.c
…