From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Richard Purdie <rpurdie@rpsys.net>,
Luotao Fu <l.fu@pengutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] leds: leds-pwm: return proper error if pwm_request failed
Date: Thu, 20 Jan 2011 11:38:55 +0800 [thread overview]
Message-ID: <1295494735.20884.1.camel@mola> (raw)
Return PTR_ERR(led_dat->pwm) instead of 0 if pwm_request failed
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/leds/leds-pwm.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index da3fa8d..666daf7 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -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;
--
1.7.2
next reply other threads:[~2011-01-20 3:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 3:38 Axel Lin [this message]
2011-01-20 8:22 ` Dmitry Torokhov
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