[PATCH] iio: hid-sensor: Return proper error if kmemdup fails

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Return -ENOMEM instead of 0 if kmemdup fails.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/iio/accel/hid-sensor-accel-3d.c       |    6 +++---
 drivers/iio/gyro/hid-sensor-gyro-3d.c         |    6 +++---
 drivers/iio/light/hid-sensor-als.c            |    5 ++---
 drivers/iio/magnetometer/hid-sensor-magn-3d.c |    6 +++---
 4 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index 1b49931..2046208 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -319,10 +319,10 @@ static int __devinit hid_accel_3d_probe(struct platform_device *pdev)
 		goto error_free_dev;
 	}
 
-	channels = kmemdup(accel_3d_channels,
-					sizeof(accel_3d_channels),
-					GFP_KERNEL);
+	channels = kmemdup(accel_3d_channels, sizeof(accel_3d_channels),
+			   GFP_KERNEL);
 	if (!channels) {
+		ret = -ENOMEM;
 		dev_err(&pdev->dev, "failed to duplicate channels\n");
 		goto error_free_dev;
 	}
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index 705dc49..c93dd59 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -319,10 +319,10 @@ static int __devinit hid_gyro_3d_probe(struct platform_device *pdev)
 		goto error_free_dev;
 	}
 
-	channels = kmemdup(gyro_3d_channels,
-					sizeof(gyro_3d_channels),
-					GFP_KERNEL);
+	channels = kmemdup(gyro_3d_channels, sizeof(gyro_3d_channels),
+			   GFP_KERNEL);
 	if (!channels) {
+		ret = -ENOMEM;
 		dev_err(&pdev->dev, "failed to duplicate channels\n");
 		goto error_free_dev;
 	}
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 4c35ac7..ea59daa 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -285,10 +285,9 @@ static int __devinit hid_als_probe(struct platform_device *pdev)
 		goto error_free_dev;
 	}
 
-	channels = kmemdup(als_channels,
-					sizeof(als_channels),
-					GFP_KERNEL);
+	channels = kmemdup(als_channels, sizeof(als_channels), GFP_KERNEL);
 	if (!channels) {
+		ret = -ENOMEM;
 		dev_err(&pdev->dev, "failed to duplicate channels\n");
 		goto error_free_dev;
 	}
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index a02dc98..63d0a38 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -320,10 +320,10 @@ static int __devinit hid_magn_3d_probe(struct platform_device *pdev)
 		goto error_free_dev;
 	}
 
-	channels = kmemdup(magn_3d_channels,
-					sizeof(magn_3d_channels),
-					GFP_KERNEL);
+	channels = kmemdup(magn_3d_channels, sizeof(magn_3d_channels),
+			   GFP_KERNEL);
 	if (!channels) {
+		ret = -ENOMEM;
 		dev_err(&pdev->dev, "failed to duplicate channels\n");
 		goto error_free_dev;
 	}
-- 
1.7.9.5



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