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[5/7] xhci: Fix memory leak on xhci_disable_ep

Message ID 1379583298-7524-6-git-send-email-kraxel@redhat.com
State New
Headers show

Commit Message

Gerd Hoffmann Sept. 19, 2013, 9:34 a.m. UTC 
From: Hans de Goede <hdegoede@redhat.com>

The USBPacket-s in the transfers need to be cleaned up so that the memory
allocated by the iovec in there gets freed.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb/hcd-xhci.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index eddfd50..469c24d 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1380,6 +1380,7 @@  static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
 {
     XHCISlot *slot;
     XHCIEPContext *epctx;
+    int i;
 
     trace_usb_xhci_ep_disable(slotid, epid);
     assert(slotid >= 1 && slotid <= xhci->numslots);
@@ -1400,6 +1401,10 @@  static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
         xhci_free_streams(epctx);
     }
 
+    for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
+        usb_packet_cleanup(&epctx->transfers[i].packet);
+    }
+
     xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED);
 
     timer_free(epctx->kick_timer);