3.11.10.2 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Hannes Frederic Sowa <[email protected]>

commit f8c31c8f80dd882f7eb49276989a4078d33d67a7 upstream.

Fixes a suspicious rcu derference warning.

Cc: Florent Fourcot <[email protected]>
Signed-off-by: Hannes Frederic Sowa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 net/ipv6/ip6_flowlabel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 46e8843..f0ccdb7 100644
--- 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 ||
-- 
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to