diff options
| author | Oliver Neukum <oneukum@suse.com> | 2016-09-13 16:44:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-13 17:24:24 +0200 |
| commit | 46e75075baec1f8c239faa74f2549400e1caaa2f (patch) | |
| tree | 685f35cbfc7daf224123946688fcf9236e3d7e26 /drivers/usb/class/cdc-acm.c | |
| parent | 21b031fbd165398b8e3ba323a8a11f13f721be6f (diff) | |
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>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index fef0d8fcd916..faab151d9fdc 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -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; |