crypto: xcbc - 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>

diff --git a/crypto/xcbc.c b/crypto/xcbc.c
index b2cc855..3b991bf 100644 (file)
--- a/crypto/xcbc.c
+++ b/crypto/xcbc.c
@@ -252,6 +252,7 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb)
        }
 
        inst = shash_alloc_instance("xcbc", alg);
+       err = PTR_ERR(inst);
        if (IS_ERR(inst))
                goto out_put_alg;