diff options
author | Milton Miller <miltonm@bga.com> | 2009-01-07 21:14:21 -0500 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-12 22:48:01 -0500 |
commit | c21f7a527f7757a0e246cea521a5dd3b8e1224d5 (patch) | |
tree | 66c04f0e57daaf8109f54fdcb774ca51fe4a26de /drivers/char | |
parent | 9fef3d2d15ae8ca24e4a145f2e189eea145d18c2 (diff) |
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) | |||
37 | 37 | ||
38 | void notifier_del_irq(struct hvc_struct *hp, int irq) | 38 | void notifier_del_irq(struct hvc_struct *hp, int irq) |
39 | { | 39 | { |
40 | if (!irq) | 40 | if (!hp->irq_requested) |
41 | return; | 41 | return; |
42 | free_irq(irq, hp); | 42 | free_irq(irq, hp); |
43 | hp->irq_requested = 0; | 43 | hp->irq_requested = 0; |