media: media/i2c: remove unneeded variable: "ret"

remove unneeded variable: "ret"

Signed-off-by: zuoqilin <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/max2175.c

···
 			       struct v4l2_frequency *vf)
 {
 	struct max2175 *ctx = max2175_from_sd(sd);
-	int ret = 0;
 
 	if (vf->tuner != 0)
 		return -EINVAL;
···
 	vf->type = V4L2_TUNER_RF;
 	vf->frequency = ctx->freq;
 
-	return ret;
+	return 0;
 }
 
 static int max2175_enum_freq_bands(struct v4l2_subdev *sd,