From 46e75075baec1f8c239faa74f2549400e1caaa2f Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 13 Sep 2016 16:44:36 +0200 Subject: [PATCH] cdc-acm: cleanup debugging in submission path Actually make it retutn useful information. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 8 ++++---- 1 file 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; -- 2.45.2