[PATCH 4/4] staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning

[Lee Jones]

drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:
        In function ‘synaptics_rmi4_resume’:
drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:1090:18:
        warning: ignoring return value of ‘regulator_enable’, declared
        with attribute warn_unused_result [-Wunused-result

Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: devel at driverdev.osuosl.org
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
index fe667dd..c4d013d 100644
--- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
+++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
@@ -1087,7 +1087,9 @@ static int synaptics_rmi4_resume(struct device *dev)
 	unsigned char intr_status;
 	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
 
-	regulator_enable(rmi4_data->regulator);
+	retval = regulator_enable(rmi4_data->regulator);
+	if (retval < 0)
+		return retval;
 
 	enable_irq(rmi4_data->i2c_client->irq);
 	rmi4_data->touch_stopped = false;
-- 
1.7.10.4