crypto: hmac - Fix incorrect error value when creating instance

If shash_alloc_instance() fails, we return the wrong error value.
This patch fixes it.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/crypto/hmac.c b/crypto/hmac.c
index e37342748f2..02aa53ea14a 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -195,6 +195,7 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
                 goto out_put_alg;
 
         inst = shash_alloc_instance("hmac", alg);
+        err = PTR_ERR(inst);
         if (IS_ERR(inst))
                 goto out_put_alg;