If something wrong gets there, return the error.

Get rid of this warning:

  drivers/staging/media/atomisp/i2c/atomisp-gc0310.c: In function 'gc0310_init':
  drivers/staging/media/atomisp/i2c/atomisp-gc0310.c:713:6: warning: variable 
'ret' set but not used [-Wunused-but-set-variable]
    int ret;
        ^~~

Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
---
 drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c 
b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
index 512fa87fa11b..3b38cbccf294 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
@@ -727,7 +727,7 @@ static int gc0310_init(struct v4l2_subdev *sd)
        mutex_unlock(&dev->input_lock);
 
        pr_info("%s E\n", __func__);
-       return 0;
+       return ret;
 }
 
 static int power_ctrl(struct v4l2_subdev *sd, bool flag)
-- 
2.14.3

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