diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
commit | 328198acb7407301ddf6005c0fa1e04bd0c539c8 (patch) | |
tree | 9936112bd195bfbaacc9a75f2ea7ff757a2c0546 /kernel/irq | |
parent | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (diff) | |
parent | fecb4a0c87c2bcaee1f3cf800126eef752a07ed3 (diff) | |
download | op-kernel-dev-328198acb7407301ddf6005c0fa1e04bd0c539c8.zip op-kernel-dev-328198acb7407301ddf6005c0fa1e04bd0c539c8.tar.gz |
Merge branch 'master'
Diffstat (limited to 'kernel/irq')
-rw-r--r-- | kernel/irq/handle.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 3ff7b92..51df337 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -117,14 +117,16 @@ fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs) /* * No locking required for CPU-local interrupts: */ - desc->handler->ack(irq); + if (desc->handler->ack) + desc->handler->ack(irq); action_ret = handle_IRQ_event(irq, regs, desc->action); desc->handler->end(irq); return 1; } spin_lock(&desc->lock); - desc->handler->ack(irq); + if (desc->handler->ack) + desc->handler->ack(irq); /* * REPLAY is when Linux resends an IRQ that was dropped earlier * WAITING is used by probe to mark irqs that are being tested |