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(parent: 1c4c197) | patch
dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate()
authorYu Kuai <yukuai3@huawei.com>
Mon, 17 Aug 2020 11:57:26 +0000 (19:57 +0800)
committerVinod Koul <vkoul@kernel.org>
Wed, 19 Aug 2020 04:28:37 +0000 (09:58 +0530)
commit42c453a9a124d65c26bb49de5c65591eb7390971
treed05dda5202af6e185825ee193695bb006af46033tree | snapshot
parent1c4c19794651fc2c06580a04f793c71e79c7504dcommit | diff
dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate()

The reurn value of of_find_device_by_node() is not checked, thus null
pointer dereference will be triggered if of_find_device_by_node()
failed.

Fixes: 6a7e1c2bad49 ("at_hdmac: move to generic DMA binding")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20200817115728.1706719-2-yukuai3@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/at_hdmac.c diff | blob | history
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