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>

diff --git a/crypto/hmac.c b/crypto/hmac.c
index e373427..02aa53e 100644 (file)
--- 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;