[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] [PATCH V13 13/17] pci: Use of qemu_put_ram_ptr in pci_add_option_rom.



From: John Baboval <john.baboval@xxxxxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 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


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.