[media] m5mols: potential uninitialized variable

Smatch complains that there are some paths where "status" isn't
initialized.  The code does assume that m5mols_read_u8() can fail so it
seems as if Smatch is correct.

Let's initialize it to REG_ISO_AUTO which is zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
index a60931e66312e1ff3818ff363c0edd920c0d6c04..c2218c0a9e6fa11c43401265d065671c086e6cac 100644 (file)
--- a/drivers/media/i2c/m5mols/m5mols_controls.c
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -405,7 +405,7 @@ static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
        struct v4l2_subdev *sd = to_sd(ctrl);
        struct m5mols_info *info = to_m5mols(sd);
        int ret = 0;
-       u8 status;
+       u8 status = REG_ISO_AUTO;
 
        v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
                 __func__, ctrl->name, info->isp_ready);