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Commit d8cc667b authored by Axel Lin's avatar Axel Lin Committed by Linus Torvalds
Browse files

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



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

Signed-off-by: default avatarAxel 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f95ba941

drivers/leds/leds-pwm.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -69,6 +69,7 @@ static int led_pwm_probe(struct platform_device *pdev) 
		led_dat->pwm = pwm_request(cur_led->pwm_id,

		led_dat->pwm = pwm_request(cur_led->pwm_id,

				cur_led->name);

				cur_led->name);

		if (IS_ERR(led_dat->pwm)) {

		if (IS_ERR(led_dat->pwm)) {

			ret = PTR_ERR(led_dat->pwm);

			dev_err(&pdev->dev, "unable to request PWM %d\n",

			dev_err(&pdev->dev, "unable to request PWM %d\n",

					cur_led->pwm_id);

					cur_led->pwm_id);

			goto err;

			goto err;