From e3986f6380558b84fef1e7ce7a29fed5bb090721 Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Fri, 11 May 2007 00:12:01 +0100 Subject: leds: Add warning printks in error paths Add warning printks if led_trigger_register_simple() fails. Signed-off-by: Richard Purdie --- drivers/leds/led-triggers.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 129733f2379..b2438a03082 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -183,13 +183,20 @@ int led_trigger_register(struct led_trigger *trigger) void led_trigger_register_simple(const char *name, struct led_trigger **tp) { struct led_trigger *trigger; + int err; trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); if (trigger) { 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; } -- cgit v1.2.3