[NETLINK]: Don't leak 'listeners' in netlink_kernel_create()

The Coverity checker spotted that we'll leak the storage allocated
to 'listeners' in netlink_kernel_create() when the
  if (!nl_table[unit].registered)
check is false.

This patch avoids the leak.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c776bcd9f8257b8008b968aec37c93d389d6854f..98e313e5e59440f0ed2b8283532cea179d267238 100644 (file)
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1378,6 +1378,8 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups,
                nl_table[unit].cb_mutex = cb_mutex;
                nl_table[unit].module = module;
                nl_table[unit].registered = 1;
+       } else {
+               kfree(listeners);
        }
        netlink_table_ungrab();