[CRYPTO] aead: Return EBADMSG for ICV mismatch
This patch changes gcm/authenc to return EBADMSG instead of EINVAL for
ICV mismatches. This convention has already been adopted by IPsec.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/gcm.c b/crypto/gcm.c
index ed8a626..d60c340 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -327,7 +327,7 @@
scatterwalk_map_and_copy(iauth_tag, req->src, cryptlen, authsize, 0);
if (memcmp(iauth_tag, auth_tag, authsize))
- return -EINVAL;
+ return -EBADMSG;
return crypto_ablkcipher_decrypt(&abreq);
}