[3/4] media: ir_toy: do not resubmit broken urb
Commit Message
This causes the same urb to resubmitted continuously, hogging up a cpu.
Signed-off-by: Sean Young <sean@mess.org>
---
drivers/media/rc/ir_toy.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
@@ -213,10 +213,20 @@ static void irtoy_in_callback(struct urb *urb)
struct irtoy *irtoy = urb->context;
int ret;
- if (urb->status == 0)
+ switch (urb->status) {
+ case 0:
irtoy_response(irtoy, urb->actual_length);
- else
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -EPROTO:
+ case -EPIPE:
+ usb_unlink_urb(urb);
+ return;
+ default:
dev_dbg(irtoy->dev, "in urb status: %d\n", urb->status);
+ }
ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret && ret != -ENODEV)