Commit e5e748a6 authored Jan 22, 2022 by Tomas Paukrt Committed by Greg Kroah-Hartman Apr 15, 2022

crypto: mxs-dcp - Fix scatterlist processing



[ 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>

parent 30d3f45b

drivers/crypto/mxs-dcp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;