Lars Persson
3dcd493fbe
net: sched: do not requeue a NULL skb
...
A failure in validate_xmit_skb_list() triggered an unconditional call
to dev_requeue_skb with skb=NULL. This slowly grows the queue
discipline's qlen count until all traffic through the queue stops.
We take the optimistic approach and continue running the queue after a
failure since it is unknown if later packets also will fail in the
validate path.
Fixes: 55a93b3ea7 ("qdisc: validate skb without holding lock")
Signed-off-by: Lars Persson <larper@axis.com >
Acked-by: Eric Dumazet <edumazet@google.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
2016-04-14 01:28:51 -04:00
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