target/linux/brcm2708/patches-3.10/0089-dwc_otg-prevent-leaking-URBs-during-enqueue.patch

   1 From 42ed35f8f9c76ff56afdda9b0d3add958936bea6 Mon Sep 17 00:00:00 2001
   2 From: P33M <P33M@github.com>
   3 Date: Mon, 5 Aug 2013 13:17:58 +0100
   4 Subject: [PATCH 089/174] dwc_otg: prevent leaking URBs during enqueue
   5
   6 A dwc_otg_urb would get leaked if the HCD enqueue function
   7 failed for any reason. Free the URB at the appropriate points.
   8 ---
   9  drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 8 ++++++++
  10  1 file changed, 8 insertions(+)
  11
  12 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
  13 +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
  14 @@ -797,11 +797,19 @@ static int dwc_otg_urb_enqueue(struct us
  15  #if USB_URB_EP_LINKING
  16                         usb_hcd_unlink_urb_from_ep(hcd, urb);
  17  #endif
  18 +                       DWC_FREE(dwc_otg_urb);
  19                         urb->hcpriv = NULL;
  20                         if (retval == -DWC_E_NO_DEVICE)
  21                                 retval = -ENODEV;
  22                 }
  23         }
  24 +#if USB_URB_EP_LINKING
  25 +       else
  26 +       {
  27 +               DWC_FREE(dwc_otg_urb);
  28 +               urb->hcpriv = NULL;
  29 +       }
  30 +#endif
  31         DWC_SPINUNLOCK_IRQRESTORE(dwc_otg_hcd->lock, irqflags);
  32         return retval;
  33  }