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authorMilton Miller <miltonm@bga.com>2009-01-07 21:14:21 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-12 22:48:01 -0500
commitc21f7a527f7757a0e246cea521a5dd3b8e1224d5 (patch)
tree66c04f0e57daaf8109f54fdcb774ca51fe4a26de /drivers/char
parent9fef3d2d15ae8ca24e4a145f2e189eea145d18c2 (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.c2
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
38void notifier_del_irq(struct hvc_struct *hp, int irq) 38void 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;