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[Qemu-devel] [PATCH v10 2/4] qxl: disallow unknown revisions
From: |
Alon Levy |
Subject: |
[Qemu-devel] [PATCH v10 2/4] qxl: disallow unknown revisions |
Date: |
Tue, 21 Aug 2012 13:16:21 +0300 |
Signed-off-by: Alon Levy <address@hidden>
---
hw/qxl.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/qxl.c b/hw/qxl.c
index 6c48eb9..c978f5e 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -1797,10 +1797,13 @@ static int qxl_init_common(PCIQXLDevice *qxl)
io_size = 16;
break;
case 3: /* qxl-3 */
- default:
pci_device_rev = QXL_DEFAULT_REVISION;
io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
break;
+ default:
+ error_report("Invalid revision %d for qxl device (max %d)",
+ qxl->revision, QXL_DEFAULT_REVISION);
+ return -1;
}
pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
--
1.7.11.2