3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hannes Frederic Sowa <han...@stressinduktion.org>
[ Upstream commit f8c31c8f80dd882f7eb49276989a4078d33d67a7 ]
Fixes a suspicious rcu derference warning.
Cc: Florent Fourcot <florent.four...@enst-bretagne.fr>
Signed-off-by: Hannes Frederic Sowa <han...@stressinduktion.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
net/ipv6/ip6_flowlabel.c | 2 ++
1 file changed, 2 insertions(+)
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -453,8 +453,10 @@ static int mem_check(struct sock *sk)
if (room > FL_MAX_SIZE - FL_MAX_PER_SOCK)
return 0;
+ rcu_read_lock_bh();
for_each_sk_fl_rcu(np, sfl)
count++;
+ rcu_read_unlock_bh();
if (room <= 0 ||
((count >= FL_MAX_PER_SOCK ||
--
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