media: ov7670: Remove useless use of a ret variable

Instead of assigning the return value to ret and then checking and
returning it, just return the value to the caller directly. The success
value is always 0.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/i2c/ov7670.c

@@ -859,11 +859,7 @@ static int ov7675_set_framerate(struct v4l2_subdev *sd,
 	/* Recalculate frame rate */
 	ov7675_get_framerate(sd, tpf);
 
-	ret = ov7670_write(sd, REG_CLKRC, info->clkrc);
-	if (ret < 0)
-		return ret;
-
-	return 0;
+	return ov7670_write(sd, REG_CLKRC, info->clkrc);
 }
 
 static void ov7670_get_framerate_legacy(struct v4l2_subdev *sd,