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authorDenis V. Lunev <den@openvz.org>2008-01-31 18:44:53 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-31 19:28:37 -0800
commitdce5cbeec32eb5db4d406b732b1256c6f702bde5 (patch)
tree38c9fe8ba24567d7914b949059a896f683aa6e29 /net/ipv4/fib_frontend.c
parent3ed5df445eddce6f37767df3ebe8b27b614c7d98 (diff)
[IPV4]: Fix memory leak on error path during FIB initialization.
net->ipv4.fib_table_hash is not freed when fib4_rules_init failed. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_frontend.c')
-rw-r--r--net/ipv4/fib_frontend.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index d28261826bc2..d0507f4f848a 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -975,6 +975,7 @@ static struct notifier_block fib_netdev_notifier = {
static int __net_init ip_fib_net_init(struct net *net)
{
+ int err;
unsigned int i;
net->ipv4.fib_table_hash = kzalloc(
@@ -985,7 +986,14 @@ static int __net_init ip_fib_net_init(struct net *net)
for (i = 0; i < FIB_TABLE_HASHSZ; i++)
INIT_HLIST_HEAD(&net->ipv4.fib_table_hash[i]);
- return fib4_rules_init(net);
+ err = fib4_rules_init(net);
+ if (err < 0)
+ goto fail;
+ return 0;
+
+fail:
+ kfree(net->ipv4.fib_table_hash);
+ return err;
}
static void __net_exit ip_fib_net_exit(struct net *net)