diff options
| author | Masakazu Mokuno <Masakazu.Mokuno@jp.sony.com> | 2011-10-31 17:11:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-31 17:30:55 -0700 |
| commit | cba4c2ac080e170732a030afc27664b00f838e03 (patch) | |
| tree | b230c60335225f533b10b570f323662f7ed9cfe0 | |
| parent | f59b6f9f323ff1b4567a69f9063cdd8bb57805e6 (diff) | |
| download | lwn-cba4c2ac080e170732a030afc27664b00f838e03.tar.gz lwn-cba4c2ac080e170732a030afc27664b00f838e03.zip | |
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>
| -rw-r--r-- | drivers/leds/led-triggers.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 4bebae733349..6f1ff93d7cec 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -261,9 +261,12 @@ void led_trigger_register_simple(const char *name, struct led_trigger **tp) 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); |