diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index a853f63b925..22a098b318c 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -366,6 +366,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) spin_unlock_irq(&hcd_root_hub_lock); if (status) return status; + urb->hcpriv = hcd; /* Indicate it's queued */ cmd = (struct usb_ctrlrequest *) urb->setup_packet; typeReq = (cmd->bRequestType << 8) | cmd->bRequest; @@ -579,7 +580,6 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) hcd->poll_pending = 0; hcd->status_urb = NULL; urb->status = 0; - urb->hcpriv = NULL; urb->actual_length = length; memcpy(urb->transfer_buffer, buffer, length); @@ -675,7 +675,6 @@ static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) del_timer (&hcd->rh_timer); if (urb == hcd->status_urb) { hcd->status_urb = NULL; - urb->hcpriv = NULL; usb_hcd_unlink_urb_from_ep(hcd, urb); spin_unlock(&hcd_root_hub_lock); @@ -1192,6 +1191,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) if (unlikely(status)) { usbmon_urb_submit_error(&hcd->self, urb, status); unmap_urb_for_dma(hcd, urb); + urb->hcpriv = NULL; INIT_LIST_HEAD(&urb->urb_list); atomic_dec(&urb->use_count); if (urb->reject) @@ -1265,6 +1265,11 @@ void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb) unmap_urb_for_dma(hcd, urb); usbmon_urb_complete (&hcd->self, urb); usb_unanchor_urb(urb); + urb->hcpriv = NULL; + if (unlikely((urb->transfer_flags & URB_SHORT_NOT_OK) && + urb->actual_length < urb->transfer_buffer_length && + !urb->status)) + urb->status = -EREMOTEIO; /* pass ownership to the completion handler */ urb->complete (urb); |