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| author | Richard Purdie <rpurdie@rpsys.net> | 2007-05-11 01:12:01 +0200 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2007-07-16 02:15:51 +0200 |
| commit | e3986f6380558b84fef1e7ce7a29fed5bb090721 (patch) | |
| tree | c23ac0c0a2202fddbbdbaeca608237d6d294304c /drivers/leds | |
| parent | leds: Fix trigger unregister_simple if register_simple fails (diff) | |
| download | linux-e3986f6380558b84fef1e7ce7a29fed5bb090721.tar.xz linux-e3986f6380558b84fef1e7ce7a29fed5bb090721.zip | |
leds: Add warning printks in error paths
Add warning printks if led_trigger_register_simple() fails.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/led-triggers.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 129733f2379b..b2438a03082b 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; } |