From df383e6240ef222703648072dafd2a1ae21b0d2a Mon Sep 17 00:00:00 2001 From: Jiri Benc Date: Tue, 18 Aug 2015 18:41:13 +0200 Subject: lwtunnel: fix memory leak The built lwtunnel_state struct has to be freed after comparison. Fixes: 571e722676fe3 ("ipv4: support for fib route lwtunnel encap attributes") Signed-off-by: Jiri Benc Acked-by: Roopa Prabhu Signed-off-by: David S. Miller --- net/ipv4/fib_semantics.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index c8025851dac7..d5253071f71f 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -539,7 +539,7 @@ int fib_encap_match(struct net *net, u16 encap_type, { struct lwtunnel_state *lwtstate; struct net_device *dev = NULL; - int ret; + int ret, result = 0; if (encap_type == LWTUNNEL_ENCAP_NONE) return 0; @@ -548,10 +548,12 @@ int fib_encap_match(struct net *net, u16 encap_type, dev = __dev_get_by_index(net, oif); ret = lwtunnel_build_state(dev, encap_type, encap, &lwtstate); - if (!ret) - return lwtunnel_cmp_encap(lwtstate, nh->nh_lwtstate); + if (!ret) { + result = lwtunnel_cmp_encap(lwtstate, nh->nh_lwtstate); + lwtstate_free(lwtstate); + } - return 0; + return result; } int fib_nh_match(struct fib_config *cfg, struct fib_info *fi) -- cgit v1.2.3