crypto: sun8i-ce - fix error return code in sun8i_ce_prng_generate()

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When dma_mapping_error() returns an error, no error return code of
sun8i_ce_prng_generate() is assigned.
To fix this bug, err is assigned with -EFAULT as error return code.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Jia-Ju Bai 2021-03-04 17:57:17 -08:00 • committed by Herbert Xu

parent 90274769cf

commit 282894556b

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drivers/crypto/allwinner/sun8i-ce/sun8i-ce-prng.c

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