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leds: leds-pwm: return proper error if pwm_request failed

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Return PTR_ERR(led_dat->pwm) instead of 0 if pwm_request failed

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Luotao Fu <l.fu@pengutronix.de>
Cc: Reviewed-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Axel Lin 2011-01-25 15:07:14 -08:00 committed by Linus Torvalds
parent f95ba941d1
commit d8cc667be8
1 changed files with 1 additions and 0 deletions
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drivers/leds/leds-pwm.c
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@ -69,6 +69,7 @@ static int led_pwm_probe(struct platform_device *pdev)
led_dat->pwm = pwm_request(cur_led->pwm_id,
cur_led->name);
if (IS_ERR(led_dat->pwm)) {
ret = PTR_ERR(led_dat->pwm);
dev_err(&pdev->dev, "unable to request PWM %d\n",
cur_led->pwm_id);
goto err;