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 ea51190c0315 ("irq_poll: fold irq_poll_sched_prep into irq_poll_sched").
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
lib/irq_poll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/irq_poll.c b/lib/irq_poll.c
index 2836620..836f7db 100644
--- a/lib/irq_poll.c
+++ b/lib/irq_poll.c
@@ -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);
--
2.1.4
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