i2c: rcar_iic: Do not use unitialised variable

In rcar_iic_xfer if nmsgs == 0 the ret will not be assigned to. As ret
will always be 0 if the for loop is entered, may as well just return 0.

This issue was found by Smatch.

Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/drivers/i2c/rcar_iic.c b/drivers/i2c/rcar_iic.c
index e019d06..42d575e 100644 (file)
--- a/drivers/i2c/rcar_iic.c
+++ b/drivers/i2c/rcar_iic.c
@@ -191,7 +191,7 @@ static int rcar_iic_xfer(struct udevice *dev, struct i2c_msg *msg, int nmsgs)
                        return -EREMOTEIO;
        }
 
-       return ret;
+       return 0;
 }
 
 static int rcar_iic_set_speed(struct udevice *dev, uint speed)