[PKT_SCHED] dsmark: handle cloned and non-linear skb's

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Make dsmark work properly with non-linear and cloned skb's
Before modifying the header, it needs to check that skb header is
writeable.

Note: this makes the assumption, that if it queues a good skb
then a good skb will come out of the embedded qdisc.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Stephen Hemminger 2008-01-21 02:23:49 -08:00 • committed by David S. Miller

parent 5b0ac72bc5

commit 4c30719f4f

1 changed files with 15 additions and 4 deletions

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19

net/sched/sch_dsmark.c

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