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atm: eni: Add check for dma_map_single
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Mon, 14 Mar 2022 01:34:48 +0000 (09:34 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 23 Mar 2022 08:13:27 +0000 (09:13 +0100)
commit09a7264fb0d020c2ba38f283d17221cb2c31a5ab
tree3bc4c7aa545b50f0b385f554ad45a16aabc1506ctree
parent70b7b3c055fd4a464da8da55ff4c1f84269f9b02commit | diff
atm: eni: Add check for dma_map_single

[ Upstream commit 0f74b29a4f53627376cf5a5fb7b0b3fa748a0b2b ]

As the potential failure of the dma_map_single(),
it should be better to check it and return error
if fails.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/atm/eni.c diff | blob | history
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