Hi, Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> writes: > The usb_ep_queue() in printer_write() is possible to call req->complete(). > In that case, since tx_complete() calls list_add(&req->list, &dev->tx_reqs), > printer_write() should not call list_add(&req->list, &dev->tx_reqs_active) > because the transfer has already finished. So, this patch checks > the condition of req->list before adding the list in printer_write(). > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > --- > This issue can be caused by renesas_usbhs udc driver. I'm not sure > this patch is acceptable or not. So, I marked RFC on this patch. can you explain this a little more? How do you trigger the problem? -- balbi
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