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authorPatrick McHardy <kaber@trash.net>2008-11-24 15:46:08 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-24 15:46:08 -0800
commit3f0947c3ffaed33c1c38b79e4b17f75ba072d3e9 (patch)
treeaabc1d3fadbfbfb97b2fe56884fad70197e50d47 /net/core/gen_estimator.c
parent4b40eed73e3787d60160beed1352ceadd24f6be1 (diff)
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pkt_sched: sch_drr: fix drr_dequeue loop()
Jarek Poplawski points out: If all child qdiscs of sch_drr are non-work-conserving (e.g. sch_tbf) drr_dequeue() will busy-loop waiting for skbs instead of leaving the job for a watchdog. Checking for list_empty() in each loop isn't necessary either, because this can never be true except the first time. Using non-work-conserving qdiscs as children of DRR makes no sense, simply bail out in that case. Reported-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/gen_estimator.c')
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