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iio: sx9500: Add missing init in sx9500_buffer_pre{en,dis}able()

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drivers/iio/proximity/sx9500.c: In function ‘sx9500_buffer_preenable’:
drivers/iio/proximity/sx9500.c:682: warning: ‘ret’ may be used uninitialized in this function
drivers/iio/proximity/sx9500.c: In function ‘sx9500_buffer_predisable’:
drivers/iio/proximity/sx9500.c:706: warning: ‘ret’ may be used uninitialized in this function

If active_scan_mask is empty, it will loop once more over all channels,
doing nothing.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2015-06-29 09:14:33 +02:00 committed by Jonathan Cameron
parent c42b9e13f9
commit 06b00f99ca
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/proximity/sx9500.c
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@ -682,7 +682,7 @@ static irqreturn_t sx9500_trigger_handler(int irq, void *private)
static int sx9500_buffer_preenable(struct iio_dev *indio_dev)
{
struct sx9500_data *data = iio_priv(indio_dev);
int ret, i;
int ret = 0, i;
mutex_lock(&data->mutex);
@ -706,7 +706,7 @@ static int sx9500_buffer_preenable(struct iio_dev *indio_dev)
static int sx9500_buffer_predisable(struct iio_dev *indio_dev)
{
struct sx9500_data *data = iio_priv(indio_dev);
int ret, i;
int ret = 0, i;
iio_triggered_buffer_predisable(indio_dev);