[Qemu-devel] [PATCH v2 5/5] Qemu: mark pci rom readonly

[Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>]

Since it is ROM which is really readonly in the system

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 hw/pci.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index 2ca6ff6..2a287bb 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1803,6 +1803,7 @@ static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom)
     }
     pdev->has_rom = true;
     memory_region_init_ram(&pdev->rom, name, size);
+    memory_region_set_readonly(&pdev->rom, true);
     vmstate_register_ram(&pdev->rom, &pdev->qdev);
     ptr = memory_region_get_ram_ptr(&pdev->rom);
     load_image(path, ptr);
-- 
1.7.7.6