cdc-acm: cleanup debugging in submission path
Actually make it retutn useful information. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
21b031fbd1
commit
46e75075ba
|
@ -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))
|
||||
return 0;
|
||||
|
||||
dev_vdbg(&acm->data->dev, "%s - urb %d\n", __func__, index);
|
||||
|
||||
res = usb_submit_urb(acm->read_urbs[index], mem_flags);
|
||||
if (res) {
|
||||
if (res != -EPERM) {
|
||||
dev_err(&acm->data->dev,
|
||||
"%s - usb_submit_urb failed: %d\n",
|
||||
__func__, res);
|
||||
"urb %d failed submission with %d\n",
|
||||
index, res);
|
||||
}
|
||||
set_bit(index, &acm->read_urbs_free);
|
||||
return res;
|
||||
} else {
|
||||
dev_vdbg(&acm->data->dev, "submitted urb %d\n", index);
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
Loading…
Reference in a new issue