[PATCH 11/15] usb: serial: ipaq: use usb_control_msg_send()

[Himadri Pandya]

The new usb_control_msg_send() nicely wraps usb_control_msg() with proper
error check. Hence use the wrapper instead of calling usb_control_msg()
directly.

Signed-off-by: Himadri Pandya <himadrispan...@gmail.com>
---
 drivers/usb/serial/ipaq.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index f81746c3c26c..99505a76035d 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -530,15 +530,14 @@ static int ipaq_open(struct tty_struct *tty,
         */
        while (retries) {
                retries--;
-               result = usb_control_msg(serial->dev,
-                               usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
-                               0x1, 0, NULL, 0, 100);
-               if (!result)
+               result = usb_control_msg_send(serial->dev, 0, 0x22, 0x21, 0x1,
+                                             0, NULL, 0, 100, GFP_KERNEL);
+               if (result == 0)
                        break;
 
                msleep(1000);
        }
-       if (!retries && result) {
+       if (result) {
                dev_err(&port->dev, "%s - failed doing control urb, error %d\n",
                                                        __func__, result);
                return result;
-- 
2.17.1