diff --git a/crypto/authenc.c b/crypto/authenc.c
index 82e03ff..6c9104e 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -200,7 +200,7 @@
 
 	authsize = crypto_aead_authsize(authenc);
 	scatterwalk_map_and_copy(ihash, src, cryptlen, authsize, 0);
-	return memcmp(ihash, ohash, authsize) ? -EINVAL : 0;
+	return memcmp(ihash, ohash, authsize) ? -EBADMSG: 0;
 }
 
 static void crypto_authenc_decrypt_done(struct crypto_async_request *req,
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);
 }