[PATCH] power: supply: max14656: remove set but not used 'ret'

[Jason Yan]

Fix the following gcc warning:

drivers/power/supply/max14656_charger_detector.c:142:6: warning:
variable âretâ set but not used [-Wunused-but-set-variable]
  int ret = 0;
      ^~~

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
---
 drivers/power/supply/max14656_charger_detector.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/power/supply/max14656_charger_detector.c b/drivers/power/supply/max14656_charger_detector.c
index 3bbb8b4c8ae7..137f9fafce8c 100644
--- a/drivers/power/supply/max14656_charger_detector.c
+++ b/drivers/power/supply/max14656_charger_detector.c
@@ -139,10 +139,9 @@ static void max14656_irq_worker(struct work_struct *work)
 
 	u8 buf[REG_TOTAL_NUM];
 	u8 chg_type;
-	int ret = 0;
 
-	ret = max14656_read_block_reg(chip->client, MAX14656_DEVICE_ID,
-				      REG_TOTAL_NUM, buf);
+	max14656_read_block_reg(chip->client, MAX14656_DEVICE_ID,
+				REG_TOTAL_NUM, buf);
 
 	if ((buf[MAX14656_STATUS_1] & STATUS1_VB_VALID_MASK) &&
 		(buf[MAX14656_STATUS_1] & STATUS1_CHG_TYPE_MASK)) {
-- 
2.17.2