From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sun, 28 Nov 2010 08:28:01 +0000 (+0800)
Subject: crypto: algif_skcipher - Pass on error from af_alg_make_sg
X-Git-Url: http://git.alex.org.uk

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
--- 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,