diff options
Diffstat (limited to 'drivers/usb/host/isp116x-hcd.c')
| -rw-r--r-- | drivers/usb/host/isp116x-hcd.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 5c851a36de72..d5027dc75a57 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -290,6 +290,7 @@ __releases(isp116x->lock) __acquires(isp116x->lock) urb_dbg(urb, "Finish"); + usb_hcd_unlink_urb_from_ep(isp116x_to_hcd(isp116x), urb); spin_unlock(&isp116x->lock); usb_hcd_giveback_urb(isp116x_to_hcd(isp116x), urb); spin_lock(&isp116x->lock); @@ -673,7 +674,7 @@ static int balance(struct isp116x *isp116x, u16 period, u16 load) /*-----------------------------------------------------------------*/ static int isp116x_urb_enqueue(struct usb_hcd *hcd, - struct usb_host_endpoint *hep, struct urb *urb, + struct urb *urb, gfp_t mem_flags) { struct isp116x *isp116x = hcd_to_isp116x(hcd); @@ -682,6 +683,7 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd, int is_out = !usb_pipein(pipe); int type = usb_pipetype(pipe); int epnum = usb_pipeendpoint(pipe); + struct usb_host_endpoint *hep = urb->ep; struct isp116x_ep *ep = NULL; unsigned long flags; int i; @@ -705,7 +707,12 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd, if (!HC_IS_RUNNING(hcd->state)) { kfree(ep); ret = -ENODEV; - goto fail; + goto fail_not_linked; + } + ret = usb_hcd_link_urb_to_ep(hcd, urb); + if (ret) { + kfree(ep); + goto fail_not_linked; } if (hep->hcpriv) @@ -818,6 +825,9 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd, start_atl_transfers(isp116x); fail: + if (ret) + usb_hcd_unlink_urb_from_ep(hcd, urb); + fail_not_linked: spin_unlock_irqrestore(&isp116x->lock, flags); return ret; } @@ -825,20 +835,21 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd, /* Dequeue URBs. */ -static int isp116x_urb_dequeue(struct usb_hcd *hcd, struct urb *urb) +static int isp116x_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, + int status) { struct isp116x *isp116x = hcd_to_isp116x(hcd); struct usb_host_endpoint *hep; struct isp116x_ep *ep, *ep_act; unsigned long flags; + int rc; spin_lock_irqsave(&isp116x->lock, flags); + rc = usb_hcd_check_unlink_urb(hcd, urb, status); + if (rc) + goto done; + hep = urb->hcpriv; - /* URB already unlinked (or never linked)? */ - if (!hep) { - spin_unlock_irqrestore(&isp116x->lock, flags); - return 0; - } ep = hep->hcpriv; WARN_ON(hep != ep->hep); @@ -856,9 +867,9 @@ static int isp116x_urb_dequeue(struct usb_hcd *hcd, struct urb *urb) if (urb) finish_request(isp116x, ep, urb); - + done: spin_unlock_irqrestore(&isp116x->lock, flags); - return 0; + return rc; } static void isp116x_endpoint_disable(struct usb_hcd *hcd, |