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Commit c9c4558f authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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usb_wwan: fix error in marking device busy 



This fixes two errors:
- the device is busy if a message was recieved even if resubmission fails
- the device is not busy if resubmission fails due to -EPERM

Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8ab10400

drivers/usb/serial/usb_wwan.c

+9 −4
Original line number Diff line number Diff line
@@ -305,12 +305,17 @@ static void usb_wwan_indat_callback(struct urb *urb) 
		/* Resubmit urb so we continue receiving */

		if (status != -ESHUTDOWN) {

			err = usb_submit_urb(urb, GFP_ATOMIC);

			if (err && err != -EPERM)

			if (err) {

				if (err != -EPERM) {

					printk(KERN_ERR "%s: resubmit read urb failed. "

						"(%d)", __func__, err);

			else

					/* busy also in error unless we are killed */

					usb_mark_last_busy(port->serial->dev);

				}

			} else {

				usb_mark_last_busy(port->serial->dev);

			}

		}



	}

}