diff options
| author |   Milton Miller <miltonm@bga.com> | 2009-01-08 02:14:21 +0000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-13 14:48:01 +1100 |
| commit | c21f7a527f7757a0e246cea521a5dd3b8e1224d5 (patch) | |
| tree | 66c04f0e57daaf8109f54fdcb774ca51fe4a26de /drivers/char | |
| parent | hvc_console: Change an mb() to smp_mb() and add some comments (diff) | |
| download | linux-dev-c21f7a527f7757a0e246cea521a5dd3b8e1224d5.tar.xz linux-dev-c21f7a527f7757a0e246cea521a5dd3b8e1224d5.zip | |
hvc_console: Call free_irq() only if request_irq() was successful
Only call free_irq if we marked the request_irq has having succeeded
instead of whenever the the sub-driver identified the interrupt to use.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hvc_irq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/hvc_irq.c b/drivers/char/hvc_irq.c index d09e5688d449..2623e177e8d6 100644 --- a/drivers/char/hvc_irq.c +++ b/drivers/char/hvc_irq.c @@ -37,7 +37,7 @@ int notifier_add_irq(struct hvc_struct *hp, int irq) void notifier_del_irq(struct hvc_struct *hp, int irq) { - if (!irq) + if (!hp->irq_requested) return; free_irq(irq, hp); hp->irq_requested = 0; |