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sch_api: Change signature of qdisc_tree_reduce_backlog() to use ints

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There are now several places where qdisc_tree_reduce_backlog() is called
with a negative number of packets (to signal an increase in number of
packets in the queue). Rather than rely on overflow behaviour, change the
function signature to use signed integers to communicate this usage to
people reading the code.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Toke Høiland-Jørgensen
2019-01-09 17:10:57 +01:00
committed by David S. Miller
parent f04d402f2f
commit 5f2939d933
2 changed files with 2 additions and 4 deletions
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3
net/sched/sch_api.c
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@@ -758,8 +758,7 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
return 0;
}
void qdisc_tree_reduce_backlog(struct Qdisc *sch, unsigned int n,
unsigned int len)
void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
{
bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
const struct Qdisc_class_ops *cops;