linux-kernel - [PATCH 2/4] mfd: ab8500-gpadc: Suppress 'ignoring regulator

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Date:	Thu,  2 May 2013 16:48:08 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, linus.walleij@...ricsson.com,
	srinidhi.kasagar@...ricsson.com, Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 2/4] mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning

drivers/mfd/ab8500-gpadc.c: In function ‘ab8500_gpadc_resume’:
drivers/mfd/ab8500-gpadc.c:911:18: warning: ignoring return value of
        ‘regulator_enable’, declared with attribute warn_unused_result
        [-Wunused-result]

Cc: Samuel Ortiz <sameo@...ux.intel.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mfd/ab8500-gpadc.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c
index 5e65b28..7278e53 100644
--- a/drivers/mfd/ab8500-gpadc.c
+++ b/drivers/mfd/ab8500-gpadc.c
@@ -907,8 +907,11 @@ static int ab8500_gpadc_suspend(struct device *dev)
 static int ab8500_gpadc_resume(struct device *dev)
 {
 	struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
+	int ret;
 
-	regulator_enable(gpadc->regu);
+	ret = regulator_enable(gpadc->regu);
+	if (ret < 0)
+		return ret;
 
 	pm_runtime_mark_last_busy(gpadc->dev);
 	pm_runtime_put_autosuspend(gpadc->dev);
-- 
1.7.10.4

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