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

   1 From 53d7fd1afe9f150cbb97e6fe513aa2be32f30e1a 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 089/196] 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 diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
  13 index 0d49b50..d3949da 100644
  14 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
  15 +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
  16 @@ -797,11 +797,19 @@ static int dwc_otg_urb_enqueue(struct usb_hcd *hcd,
  17  #if USB_URB_EP_LINKING
  18                         usb_hcd_unlink_urb_from_ep(hcd, urb);
  19  #endif
  20 +                       DWC_FREE(dwc_otg_urb);
  21                         urb->hcpriv = NULL;
  22                         if (retval == -DWC_E_NO_DEVICE)
  23                                 retval = -ENODEV;
  24                 }
  25         }
  26 +#if USB_URB_EP_LINKING
  27 +       else
  28 +       {
  29 +               DWC_FREE(dwc_otg_urb);
  30 +               urb->hcpriv = NULL;
  31 +       }
  32 +#endif
  33         DWC_SPINUNLOCK_IRQRESTORE(dwc_otg_hcd->lock, irqflags);
  34         return retval;
  35  }
  36 --
  37 1.9.1
  38