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irq_poll: Fix irq_poll_sched()

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The IRQ_POLL_F_SCHED bit is set as long as polling is ongoing.
This means that irq_poll_sched() must proceed if this bit has
not yet been set.

Fixes: commit ea51190c03 ("irq_poll: fold irq_poll_sched_prep into irq_poll_sched").
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2015-12-31 09:56:03 +01:00 committed by Doug Ledford
parent 9506902b7b
commit 2ee177e945
1 changed files with 1 additions and 1 deletions
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2
lib/irq_poll.c
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@ -29,7 +29,7 @@ void irq_poll_sched(struct irq_poll *iop)
if (test_bit(IRQ_POLL_F_DISABLE, &iop->state))
return;
if (!test_and_set_bit(IRQ_POLL_F_SCHED, &iop->state))
if (test_and_set_bit(IRQ_POLL_F_SCHED, &iop->state))
return;
local_irq_save(flags);