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Subject[PATCH 4.9 71/71] ipv4: frags: precedence bug in ip_expire()
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Dan Carpenter <dan.carpenter@oracle.com>

(commit 70837ffe3085c9a91488b52ca13ac84424da1042 upstream)

We accidentally removed the parentheses here, but they are required
because '!' has higher precedence than '&'.

Fixes: fa0f527358bd ("ip: use rb trees for IP frag queue.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv4/ip_fragment.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -203,7 +203,7 @@ static void ip_expire(unsigned long arg)
__IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS);
__IP_INC_STATS(net, IPSTATS_MIB_REASMTIMEOUT);

- if (!qp->q.flags & INET_FRAG_FIRST_IN)
+ if (!(qp->q.flags & INET_FRAG_FIRST_IN))
goto out;

/* sk_buff::dev and sk_buff::rbnode are unionized. So we

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