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Commit 46e75075 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
Browse files

cdc-acm: cleanup debugging in submission path 



Actually make it retutn useful information.

Signed-off-by: default avatarOliver Neukum <oneukum@suse.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 21b031fb

drivers/usb/class/cdc-acm.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -368,17 +368,17 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags) 
	if (!test_and_clear_bit(index, &acm->read_urbs_free))

	if (!test_and_clear_bit(index, &acm->read_urbs_free))

		return 0;

		return 0;





	dev_vdbg(&acm->data->dev, "%s - urb %d\n", __func__, index);



	res = usb_submit_urb(acm->read_urbs[index], mem_flags);

	res = usb_submit_urb(acm->read_urbs[index], mem_flags);

	if (res) {

	if (res) {

		if (res != -EPERM) {

		if (res != -EPERM) {

			dev_err(&acm->data->dev,

			dev_err(&acm->data->dev,

					"%s - usb_submit_urb failed: %d\n",

					"urb %d failed submission with %d\n",

					__func__, res);

					index, res);

		}

		}

		set_bit(index, &acm->read_urbs_free);

		set_bit(index, &acm->read_urbs_free);

		return res;

		return res;

	} else {

		dev_vdbg(&acm->data->dev, "submitted urb %d\n", index);

	}

	}





	return 0;

	return 0;