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crypto: caam - fix unchecked return value error

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[ Upstream commit e30685204711a6be40dec2622606950ccd37dafe ]

error:
Unchecked return value (CHECKED_RETURN)
check_return: Calling sg_miter_next without checking return value

fix:
added check if(!sg_miter_next)

Fixes: 8a2a0dd35f2e ("crypto: caam - strip input zeros from RSA input buffer")
Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Gaurav Jain 2023-08-08 12:55:25 +02:00 committed by Greg Kroah-Hartman
parent ec348676c7
commit 6c015ebce1
1 changed files with 3 additions and 1 deletions
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4
drivers/crypto/caam/caampkc.c
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@ -225,7 +225,9 @@ static int caam_rsa_count_leading_zeros(struct scatterlist *sgl,
if (len && *buff)
break;
sg_miter_next(&miter);
if (!sg_miter_next(&miter))
break;
buff = miter.addr;
len = miter.length;