ipvs: add check in ftp for initialized core

Avoid crash when registering ip_vs_ftp after the IPVS core initialization for netns fails. Do this by checking for present core (net->ipvs). Signed-off-by: Julian Anastasov <[email protected]> Acked-by: Hans Schillstrom <[email protected]> Signed-off-by: Simon Horman <[email protected]>
cbmeeks · Apr 26, 2012 · 8d08d71 · 8d08d71
1 parent 8f9b9a2
commit 8d08d71
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -439,6 +439,8 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
 	struct ip_vs_app *app;
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
+	if (!ipvs)
+		return -ENOENT;
 	app = kmemdup(&ip_vs_ftp, sizeof(struct ip_vs_app), GFP_KERNEL);
 	if (!app)
 		return -ENOMEM;