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

From: Himadri Pandya
Date: Wed Nov 04 2020 - 01:48:19 EST


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 <himadrispandya@xxxxxxxxx>
---
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