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33 lines
959 B
33 lines
959 B
From 42ed35f8f9c76ff56afdda9b0d3add958936bea6 Mon Sep 17 00:00:00 2001
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From: P33M <P33M@github.com>
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Date: Mon, 5 Aug 2013 13:17:58 +0100
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Subject: [PATCH 089/174] dwc_otg: prevent leaking URBs during enqueue
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A dwc_otg_urb would get leaked if the HCD enqueue function
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failed for any reason. Free the URB at the appropriate points.
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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@@ -797,11 +797,19 @@ static int dwc_otg_urb_enqueue(struct us
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#if USB_URB_EP_LINKING
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usb_hcd_unlink_urb_from_ep(hcd, urb);
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#endif
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+ DWC_FREE(dwc_otg_urb);
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urb->hcpriv = NULL;
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if (retval == -DWC_E_NO_DEVICE)
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retval = -ENODEV;
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}
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}
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+#if USB_URB_EP_LINKING
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+ else
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+ {
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+ DWC_FREE(dwc_otg_urb);
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+ urb->hcpriv = NULL;
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+ }
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+#endif
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DWC_SPINUNLOCK_IRQRESTORE(dwc_otg_hcd->lock, irqflags);
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return retval;
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}
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