From: Dan Carpenter Date: Fri, 8 Jun 2012 06:54:32 +0000 (+0300) Subject: iio: frequency: adf4350: using an uninitialized variable X-Git-Tag: firefly_0821_release~3680^2~2356^2~814 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1a135d1ab5e3122ab2a50cbbdb9cb1504c1f421f;p=firefly-linux-kernel-4.4.55.git iio: frequency: adf4350: using an uninitialized variable GCC complains that we use an uninitialized variable if the user passes an invalid parameter to adf4350_read(). I decided that we should return -EINVAL instead in that case. However, when I looked up at adf4350_write() it returned -ENODEV for that condition. In the end, I decided the -EINVAL was the right thing and I change adf4350_write() to match. Signed-off-by: Dan Carpenter Acked-by: Michael Hennerich Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index 6ce45f5c0deb..59fbb3ae40e7 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -272,7 +272,7 @@ static ssize_t adf4350_write(struct iio_dev *indio_dev, adf4350_sync_config(st); break; default: - ret = -ENODEV; + ret = -EINVAL; } mutex_unlock(&indio_dev->mlock); @@ -311,7 +311,7 @@ static ssize_t adf4350_read(struct iio_dev *indio_dev, val = !!(st->regs[ADF4350_REG2] & ADF4350_REG2_POWER_DOWN_EN); break; default: - ret = -ENODEV; + ret = -EINVAL; } mutex_unlock(&indio_dev->mlock);