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staging: iio/ad7291: fix error code in ad7291_probe()

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We should be returning a negative error code instead of success here.

This would have been detected by GCC, except that the "ret" variable was
initialized with a bogus value to disable GCC's uninitialized variable
warnings.  I've cleaned that up, as well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
This commit is contained in:
Dan Carpenter 2014-06-20 20:22:00 +01:00 committed by Jonathan Cameron
parent 361d795002
commit b70e19c222
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/iio/adc/ad7291.c
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@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client,
struct ad7291_platform_data *pdata = client->dev.platform_data;
struct ad7291_chip_info *chip;
struct iio_dev *indio_dev;
int ret = 0;
int ret;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
if (!indio_dev)
@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client,
if (pdata && pdata->use_external_ref) {
chip->reg = devm_regulator_get(&client->dev, "vref");
if (IS_ERR(chip->reg))
return ret;
return PTR_ERR(chip->reg);
ret = regulator_enable(chip->reg);
if (ret)