diff options
| author | Anton Altaparmakov <aia21@cantab.net> | 2005-10-31 10:06:46 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-10-31 10:06:46 +0000 |
| commit | 1f04c0a24b2f3cfe89c802a24396263623e3512d (patch) | |
| tree | d7e2216b6e65b833c0c2b79b478d13ce17dbf296 /kernel/irq/handle.c | |
| parent | 07b188ab773e183871e57b33ae37bf635c9f12ba (diff) | |
| parent | e2f2e58e7968f8446b1078a20a18bf8ea12b4fbc (diff) | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'kernel/irq/handle.c')
| -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 3ff7b925c387..51df337b37db 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 |