[IPV4]: Fix error handling for fib_insert_node call
The error handling around fib_insert_node was broken because we always
zeroed the error before checking it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 1cb6530..23fb9d9 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1252,8 +1252,8 @@
*/
if (!fa_head) {
- fa_head = fib_insert_node(t, &err, key, plen);
err = 0;
+ fa_head = fib_insert_node(t, &err, key, plen);
if (err)
goto out_free_new_fa;
}