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Commit 8bb7ec65 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: usb_wwan: report failed submissions as errors 



Promote failed-submission messages in open() and write() to error log
level.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 89da4a49

drivers/usb/serial/usb_wwan.c

+7 −6
Original line number Diff line number Diff line
@@ -231,9 +231,9 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port, 
			spin_unlock_irqrestore(&intfdata->susp_lock, flags);

			err = usb_submit_urb(this_urb, GFP_ATOMIC);

			if (err) {

				dev_dbg(&port->dev,

					"usb_submit_urb %p (write bulk) failed (%d)\n",

					this_urb, err);

				dev_err(&port->dev,

					"%s: submit urb %d failed: %d\n",

					__func__, i, err);

				clear_bit(i, &portdata->out_busy);

				spin_lock_irqsave(&intfdata->susp_lock, flags);

				intfdata->in_flight--;
@@ -376,7 +376,7 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port) 
	if (port->interrupt_in_urb) {

		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);

		if (err) {

			dev_dbg(&port->dev, "%s: submit int urb failed: %d\n",

			dev_err(&port->dev, "%s: submit int urb failed: %d\n",

				__func__, err);

		}

	}
@@ -388,8 +388,9 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port) 
			continue;

		err = usb_submit_urb(urb, GFP_KERNEL);

		if (err) {

			dev_dbg(&port->dev, "%s: submit urb %d failed (%d) %d\n",

				__func__, i, err, urb->transfer_buffer_length);

			dev_err(&port->dev,

				"%s: submit read urb %d failed: %d\n",

				__func__, i, err);

		}

	}