media: radio-si476x: Remove the unneeded result variable

Return the value v4l2_fh_release() directly instead of storing it in
another redundant variable.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/radio/radio-si476x.c

@@ -1072,7 +1072,6 @@ static int si476x_radio_fops_open(struct file *file)
 
 static int si476x_radio_fops_release(struct file *file)
 {
-	int err;
 	struct si476x_radio *radio = video_drvdata(file);
 
 	if (v4l2_fh_is_singular_file(file) &&
@@ -1080,9 +1079,7 @@ static int si476x_radio_fops_release(struct file *file)
 		si476x_core_set_power_state(radio->core,
 					    SI476X_POWER_DOWN);
 
-	err = v4l2_fh_release(file);
-
-	return err;
+	return v4l2_fh_release(file);
 }
 
 static ssize_t si476x_radio_fops_read(struct file *file, char __user *buf,