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-rw-r--r--crypto/algif_skcipher.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index afb43392524f..76175e316e6b 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -392,7 +392,8 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list);
sg = sgl->sg;
- sg_unmark_end(sg + sgl->cur);
+ if (sgl->cur)
+ sg_unmark_end(sg + sgl->cur - 1);
do {
i = sgl->cur;
plen = min_t(int, len, PAGE_SIZE);