netdev - [Patch net] ip6mr: call del_timer_sync() in ip6mr_free

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Message-Id: <1427824907-13331-3-git-send-email-xiyou.wangcong@gmail.com>
Date:	Tue, 31 Mar 2015 11:01:47 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	netdev@...r.kernel.org
Cc:	Cong Wang <xiyou.wangcong@...il.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: [Patch net] ip6mr: call del_timer_sync() in ip6mr_free_table()

We need to wait for the flying timers, since we
are going to free the mrtable right after it.

Cc: Hannes Frederic Sowa <hannes@...essinduktion.org>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
 net/ipv6/ip6mr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 2f1fd9f..312e0ff 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -336,7 +336,7 @@ static struct mr6_table *ip6mr_new_table(struct net *net, u32 id)
 
 static void ip6mr_free_table(struct mr6_table *mrt)
 {
-	del_timer(&mrt->ipmr_expire_timer);
+	del_timer_sync(&mrt->ipmr_expire_timer);
 	mroute_clean_tables(mrt);
 	kfree(mrt);
 }
-- 
1.8.3.1

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