[PATCH v2] usb/serial:Repair function return value

[Zhou jie]

Repair function return value,The previous return value did not work.

v2:
  Modifying function return value type does not work.

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..215b1c87fa07 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -243,9 +243,8 @@ static inline int 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,
+	return 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