[PATCH v3 27/30] ipv4: frags: precedence bug in ip_expire()

Stephen Hemminger
2018-09-13T14:58:59Z

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

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>
(cherry picked from commit 70837ffe3085c9a91488b52ca13ac84424da1042)
---
net/ipv4/ip_fragment.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 0e8f8de77e71..7cb7ed761d8c 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -154,7 +154,7 @@ static void ip_expire(struct timer_list *t)
__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
--
2.18.0