From 8c12f1912afed98715d995cb7c72c8203aaced9d Mon Sep 17 00:00:00 2001
From: John Baboval <john.baboval@virtualcomputer.com>
Date: Tue, 22 Mar 2011 14:52:09 +0000
Subject: pci: Use of qemu_put_ram_ptr in pci_add_option_rom.

Prevent a deadlock caused by leaving a map cache bucket locked by the
preceding qemu_get_ram_ptr() call.

Signed-off-By: John Baboval <john.baboval@virtualcomputer.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 hw/pci.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'hw/pci.c')

diff --git a/hw/pci.c b/hw/pci.c
index 0875654253..631d77cccb 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1922,6 +1922,8 @@ static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom)
         pci_patch_ids(pdev, ptr, size);
     }
 
+    qemu_put_ram_ptr(ptr);
+
     pci_register_bar(pdev, PCI_ROM_SLOT, size,
                      0, pci_map_option_rom);
 
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