From mboxrd@z Thu Jan  1 00:00:00 1970
From: anthony.perard@citrix.com
Subject: [PATCH V12 13/17] pci: Use of qemu_put_ram_ptr in
	pci_add_option_rom.
Date: Tue, 29 Mar 2011 19:28:06 +0100
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To: QEMU-devel <qemu-devel@nongnu.org>, Anthony Liguori <anthony@codemonkey.ws>, Alexander Graf <agraf@suse.de>
Cc: Anthony PERARD <anthony.perard@citrix.com>, John Baboval <john.baboval@virtualcomputer.com>, Xen Devel <xen-devel@lists.xensource.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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From: John Baboval <john.baboval@virtualcomputer.com>

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>
---
 hw/pci.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index 6b577e1..2b24dd4 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1897,6 +1897,8 @@ 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);
 
-- 
1.7.2.3