X.509: Fix error code in x509_cert_parse()

We forgot to set the error code on this path so it could result in returning NULL which leads to a NULL dereference. Fixes: db6c43b ("crypto: KEYS: convert public key and digsig asym to the akcipher api") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: David Howells <[email protected]> Signed-off-by: James Morris <[email protected]>
chewitt · Jun 9, 2017 · 4e88016 · 4e88016
1 parent 381f20f
commit 4e88016
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -102,6 +102,7 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen)
 		}
 	}
 
+	ret = -ENOMEM;
 	cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL);
 	if (!cert->pub->key)
 		goto error_decode;