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pkt_sched: fix warning in net/sched/sch_hfsc.c 

this warning:

  net/sched/sch_hfsc.c: In function ‘hfsc_enqueue’:
  net/sched/sch_hfsc.c:1577: warning: ‘err’ may be used uninitialized in this function

triggers because GCC does not recognize the (correct) error flow
between hfsc_classify(), 'cl' and 'err'.

Annotate it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ingo Molnar 2008-11-25 16:50:02 -08:00 committed by David S. Miller
parent ed72b9c6e0
commit dc0a0011cf
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_hfsc.c
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@ -1563,7 +1563,7 @@ static int
hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch) hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{ {
struct hfsc_class *cl; struct hfsc_class *cl;
int err; int uninitialized_var(err);
cl = hfsc_classify(skb, sch, &err); cl = hfsc_classify(skb, sch, &err);
if (cl == NULL) { if (cl == NULL) {