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| author |   Richard Purdie <rpurdie@rpsys.net> | 2007-05-10 23:46:30 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2007-07-16 01:15:50 +0100 |
| commit | 3593a6d64d774efb9d7ec80947607401ee6731c0 (patch) | |
| tree | 5e1a05877dc385b9d74ef40c5168b567c54e70bd /drivers/leds/led-triggers.c | |
| parent | leds: Use menuconfig objects II - LED (diff) | |
| download | linux-dev-3593a6d64d774efb9d7ec80947607401ee6731c0.tar.xz linux-dev-3593a6d64d774efb9d7ec80947607401ee6731c0.zip | |
leds: Fix trigger unregister_simple if register_simple fails
Fix led_trigger_unregister_simple to handle the case where
led_trigger_register_simple fails, avoiding a NULL pointer
dereference.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/leds/led-triggers.c')
| -rw-r--r-- | drivers/leds/led-triggers.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 454fb0901f82..129733f2379b 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -215,7 +215,8 @@ void led_trigger_unregister(struct led_trigger *trigger) void led_trigger_unregister_simple(struct led_trigger *trigger) { - led_trigger_unregister(trigger); + if (trigger) + led_trigger_unregister(trigger); kfree(trigger); } |