drivers/leds/led-triggers.c: fix memory leak
The memory for struct led_trigger should be kfreed in the
led_trigger_register() error path. Also this function should return NULL
on error.
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 4bebae7..6f1ff93 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -261,9 +261,12 @@
if (trigger) {
trigger->name = name;
err = led_trigger_register(trigger);
- if (err < 0)
+ if (err < 0) {
+ kfree(trigger);
+ trigger = NULL;
printk(KERN_WARNING "LED trigger %s failed to register"
" (%d)\n", name, err);
+ }
} else
printk(KERN_WARNING "LED trigger %s failed to register"
" (no memory)\n", name);