media: anysee: simplify the return expression of anysee_ci_* function

Simplify the return expression.

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

drivers/media/usb/dvb-usb-v2/anysee.c

···
 	int addr, u8 val)
 {
 	struct dvb_usb_device *d = ci->data;
-	int ret;
 	u8 buf[] = {CMD_CI, 0x03, 0x40 | addr >> 8, addr & 0xff, 0x00, 1, val};
 
-	ret = anysee_ctrl_msg(d, buf, sizeof(buf), NULL, 0);
-	if (ret)
-		return ret;
-
-	return 0;
+	return anysee_ctrl_msg(d, buf, sizeof(buf), NULL, 0);
 }
 
 static int anysee_ci_read_cam_control(struct dvb_ca_en50221 *ci, int slot,
···
 	u8 addr, u8 val)
 {
 	struct dvb_usb_device *d = ci->data;
-	int ret;
 	u8 buf[] = {CMD_CI, 0x05, 0x40, addr, 0x00, 1, val};
 
-	ret = anysee_ctrl_msg(d, buf, sizeof(buf), NULL, 0);
-	if (ret)
-		return ret;
-
-	return 0;
+	return anysee_ctrl_msg(d, buf, sizeof(buf), NULL, 0);
 }
 
 static int anysee_ci_slot_reset(struct dvb_ca_en50221 *ci, int slot)
···
 static int anysee_ci_slot_ts_enable(struct dvb_ca_en50221 *ci, int slot)
 {
 	struct dvb_usb_device *d = ci->data;
-	int ret;
 
-	ret = anysee_wr_reg_mask(d, REG_IOD, (0 << 1), 0x02);
-	if (ret)
-		return ret;
-
-	return 0;
+	return anysee_wr_reg_mask(d, REG_IOD, (0 << 1), 0x02);
 }
 
 static int anysee_ci_poll_slot_status(struct dvb_ca_en50221 *ci, int slot,