The "ret" variable is not initialized on the success path.  Set it to
zero.

Fixes: 7b19b0fc8ac8 ("media: i2c: imx334: Convert to CCI register access helpers")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/media/i2c/imx334.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
index fc875072f859..846b9928d4e8 100644
--- a/drivers/media/i2c/imx334.c
+++ b/drivers/media/i2c/imx334.c
@@ -536,7 +536,8 @@ static int imx334_update_controls(struct imx334 *imx334,
 static int imx334_update_exp_gain(struct imx334 *imx334, u32 exposure, u32 gain)
 {
 	u32 lpfr, shutter;
-	int ret, ret_hold;
+	int ret_hold;
+	int ret = 0;
 
 	lpfr = imx334->vblank + imx334->cur_mode->height;
 	shutter = lpfr - exposure;
-- 
2.47.2