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sch_atm: Fix potential NULL deref. 

The list_head conversion unearther an unnecessary flow
check.  Since flow is always NULL here we don't need to
see if a matching flow exists already.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2010-09-12 11:56:44 -07:00
parent 053d8f6622
commit a505b3b30f
1 changed files with 0 additions and 4 deletions
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4
net/sched/sch_atm.c
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@ -255,10 +255,6 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
error = -EINVAL;
goto err_out;
}
if (!list_empty(&flow->list)) {
error = -EEXIST;
goto err_out;
}
} else {
int i;
unsigned long cl;