From: Jiri Benc <jbenc@redhat.com>
Date: Tue, 18 Aug 2015 16:41:13 +0000 (+0200)
Subject: lwtunnel: fix memory leak
X-Git-Tag: omap-for-v4.3/fixes-rc1~110^2~136
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df383e6240ef;p=pandora-kernel.git

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 <jbenc@redhat.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index e25b60eb262d..34fd8f70c2ca 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -36,6 +36,11 @@ struct lwtunnel_encap_ops {
 };
 
 #ifdef CONFIG_LWTUNNEL
+static inline void lwtstate_free(struct lwtunnel_state *lws)
+{
+	kfree(lws);
+}
+
 static inline struct lwtunnel_state *
 lwtstate_get(struct lwtunnel_state *lws)
 {
@@ -51,7 +56,7 @@ static inline void lwtstate_put(struct lwtunnel_state *lws)
 		return;
 
 	if (atomic_dec_and_test(&lws->refcnt))
-		kfree(lws);
+		lwtstate_free(lws);
 }
 
 static inline bool lwtunnel_output_redirect(struct lwtunnel_state *lwtstate)
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