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authorGaurav Jain <gaurav.jain@nxp.com>2023-08-08 12:55:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-09-23 10:48:00 +0200
commite01260bd4185fca1e33e5bde856fc0fc73c42ac3 (patch)
treef2052c6cfba4962a383f9a77a8e4b4b11ebf82d9 /drivers
parent604cacbff4f777af04dc4f08f2fe8a79aa749882 (diff)
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crypto: caam - fix unchecked return value error
[ 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/caam/caampkc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c
index f26d62e5533a..701e4ad8077b 100644
--- a/drivers/crypto/caam/caampkc.c
+++ b/drivers/crypto/caam/caampkc.c
@@ -194,7 +194,9 @@ 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;