diff options
author | Eric Dumazet <edumazet@google.com> | 2012-04-29 09:08:22 +0000 |
---|---|---|
committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2014-02-10 16:10:55 -0500 |
commit | 0c4b80040717fd36afa06186ff676b6a831aa009 (patch) | |
tree | a2e69cd5aa6f4732e3ad7325279f40d778a0db89 /net | |
parent | 7daf25800c9235aad1abc71f7cacb3f6e7b24d06 (diff) |
netem: fix possible skb leak
commit 116a0fc31c6c9b8fc821be5a96e5bf0b43260131 upstream.
skb_checksum_help(skb) can return an error, we must free skb in this
case. qdisc_drop(skb, sch) can also be feeded with a NULL skb (if
skb_unshare() failed), so lets use this generic helper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/sched/sch_netem.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 4714ff162bbd..e105245dac93 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -202,10 +202,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) { if (!(skb = skb_unshare(skb, GFP_ATOMIC)) || (skb->ip_summed == CHECKSUM_PARTIAL && - skb_checksum_help(skb))) { - sch->qstats.drops++; - return NET_XMIT_DROP; - } + skb_checksum_help(skb))) + return qdisc_drop(skb, sch); skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8); } |