Switch sca3000_stop_all_interrupts() to use guard(mutex) to simplify the
error paths without needing a goto.
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
---
V3->V4: Move this patch earlier this simplifies a fucntion involved in
the movement.[Thanks to Andy for the suggestion]
---
drivers/iio/accel/sca3000.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index f9680071bbbe..a46990453ed0 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -7,6 +7,7 @@
* See industrialio/accels/sca3000.h for comments.
*/
+#include <linux/cleanup.h>
#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/device.h>
@@ -1499,17 +1500,17 @@ static void sca3000_stop_all_interrupts(struct sca3000_state *st)
{
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
+
ret = sca3000_read_data_short(st, SCA3000_REG_INT_MASK_ADDR, 1);
if (ret)
- goto out_unlock;
+ return;
+
sca3000_write_reg(st, SCA3000_REG_INT_MASK_ADDR,
(st->rx[0] &
~(SCA3000_REG_INT_MASK_RING_THREE_QUARTER |
SCA3000_REG_INT_MASK_RING_HALF |
SCA3000_REG_INT_MASK_ALL_INTS)));
-out_unlock:
- mutex_unlock(&st->lock);
}
static void sca3000_remove(struct spi_device *spi)
--
2.47.3