openwrt/target/linux/brcm2708/patches-3.10/0089-dwc_otg-prevent-leakin...

39 lines
1.1 KiB
Diff

From 53d7fd1afe9f150cbb97e6fe513aa2be32f30e1a Mon Sep 17 00:00:00 2001
From: P33M <P33M@github.com>
Date: Mon, 5 Aug 2013 13:17:58 +0100
Subject: [PATCH 089/196] dwc_otg: prevent leaking URBs during enqueue
A dwc_otg_urb would get leaked if the HCD enqueue function
failed for any reason. Free the URB at the appropriate points.
---
drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
index 0d49b50..d3949da 100644
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
@@ -797,11 +797,19 @@ static int dwc_otg_urb_enqueue(struct usb_hcd *hcd,
#if USB_URB_EP_LINKING
usb_hcd_unlink_urb_from_ep(hcd, urb);
#endif
+ DWC_FREE(dwc_otg_urb);
urb->hcpriv = NULL;
if (retval == -DWC_E_NO_DEVICE)
retval = -ENODEV;
}
}
+#if USB_URB_EP_LINKING
+ else
+ {
+ DWC_FREE(dwc_otg_urb);
+ urb->hcpriv = NULL;
+ }
+#endif
DWC_SPINUNLOCK_IRQRESTORE(dwc_otg_hcd->lock, irqflags);
return retval;
}
--
1.9.1