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| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2019-07-29 05:08:49 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-08-08 16:33:49 +0300 |
| commit | 39c71a5b8212f4b502d9a630c6706ac723abd422 (patch) | |
| tree | 71765e0155a40a28aa6966208560a7743bbbf06a /drivers/virtio | |
| parent | d105ef8120dd522c3233a1395ee0b318ed0929e8 (diff) | |
| download | linux-39c71a5b8212f4b502d9a630c6706ac723abd422.tar.xz | |
dmaengine: stm32-mdma: Fix a possible null-pointer dereference in stm32_mdma_irq_handler()
In stm32_mdma_irq_handler(), chan is checked on line 1368.
When chan is NULL, it is still used on line 1369:
dev_err(chan2dev(chan), "MDMA channel not initialized\n");
Thus, a possible null-pointer dereference may occur.
To fix this bug, "dev_dbg(mdma2dev(dmadev), ...)" is used instead.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Fixes: a4ffb13c8946 ("dmaengine: Add STM32 MDMA driver")
Link: https://lore.kernel.org/r/20190729020849.17971-1-baijiaju1990@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/virtio')
0 files changed, 0 insertions, 0 deletions