Hello.
On 09/07/2016 03:30 PM, Oliver Neukum wrote:
Actually make it retutn useful information.
Return? Or maybe just "print"?
Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
---
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 ea7d361..7c21567 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -366,17 +366,17 @@ 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 %\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;
MBR, Sergei
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