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leds: Add warning printks in error paths

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Add warning printks if led_trigger_register_simple() fails.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
This commit is contained in:
Richard Purdie 2007-05-11 00:12:01 +01:00
parent 3593a6d64d
commit e3986f6380
1 changed files with 9 additions and 2 deletions
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11
drivers/leds/led-triggers.c
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@ -183,13 +183,20 @@ int led_trigger_register(struct led_trigger *trigger)
void led_trigger_register_simple(const char *name, struct led_trigger **tp) void led_trigger_register_simple(const char *name, struct led_trigger **tp)
{ {
struct led_trigger *trigger; struct led_trigger *trigger;
int err;
trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (trigger) { if (trigger) {
trigger->name = name; trigger->name = name;
led_trigger_register(trigger); err = led_trigger_register(trigger);
} if (err < 0)
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);
*tp = trigger; *tp = trigger;
} }