crypto: algif_skcipher - Pass on error from af_alg_make_sg

The error returned from af_alg_make_sg is currently lost and we
always pass on -EINVAL.  This patch pases on the underlying error.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 211c956..9b2f440 100644 (file)
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -472,7 +472,8 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
                                goto unlock;
 
                        used = af_alg_make_sg(&ctx->rsgl, from, used, 1);
-                       if (used < 0)
+                       err = used;
+                       if (err < 0)
                                goto unlock;
 
                        ablkcipher_request_set_crypt(&ctx->req, sg,