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crypto: mxs-dcp - Fix scatterlist processing

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[ Upstream commit 28e9b6d8199a3f124682b143800c2dacdc3d70dd ]

This patch fixes a bug in scatterlist processing that may cause incorrect AES block encryption/decryption.

Fixes: 2e6d793e1bf0 ("crypto: mxs-dcp - Use sg_mapping_iter to copy data")
Signed-off-by: Tomas Paukrt <tomaspaukrt@email.cz>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tomas Paukrt 2022-01-22 18:07:53 +01:00 • committed by Greg Kroah-Hartman
commit e5e748a6ff
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/mxs-dcp.c
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@ -329,7 +329,7 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq)
memset(key + AES_KEYSIZE_128, 0, AES_KEYSIZE_128);
}
for_each_sg(req->src, src, sg_nents(src), i) {
for_each_sg(req->src, src, sg_nents(req->src), i) {
src_buf = sg_virt(src);
len = sg_dma_len(src);
tlen += len;