[PATCH] usb/serial:Modify the return value to void

[Zhou jie]

Modify the return value to void,The return value is not used elsewhere.

Signed-off-by: Zhou jie <zhoujie@xxxxxxxxxxxx>
---
 drivers/usb/serial/mos7720.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 1e12b5f30dcc..ddb3a2d0f819 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -239,13 +239,12 @@ static int read_mos_reg(struct usb_serial *serial, unsigned int serial_portnum,
 
 #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
 
-static inline int mos7715_change_mode(struct mos7715_parport *mos_parport,
+static inline void mos7715_change_mode(struct mos7715_parport *mos_parport,
 				      enum mos7715_pp_modes mode)
 {
 	mos_parport->shadowECR = mode;
 	write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR,
 		      mos_parport->shadowECR);
-	return 0;
 }
 
 static void destroy_mos_parport(struct kref *kref)
-- 
2.18.2