34 lines
974 B
Diff
34 lines
974 B
Diff
From 31052a357ad124c9ed17fbc39a0db5c8d6d0d9c5 Mon Sep 17 00:00:00 2001
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From: Alon Levy <alevy@redhat.com>
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Date: Tue, 21 Aug 2012 13:51:32 +0300
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Subject: [PATCH 209/215] qxl: disallow unknown revisions
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Signed-off-by: Alon Levy <alevy@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/qxl.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/hw/qxl.c b/hw/qxl.c
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index baf9bb4..d134a70 100644
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--- a/hw/qxl.c
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+++ b/hw/qxl.c
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@@ -1798,10 +1798,13 @@ static int qxl_init_common(PCIQXLDevice *qxl)
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io_size = 16;
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break;
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case 3: /* qxl-3 */
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- default:
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pci_device_rev = QXL_DEFAULT_REVISION;
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io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
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break;
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+ default:
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+ error_report("Invalid revision %d for qxl device (max %d)",
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+ qxl->revision, QXL_DEFAULT_REVISION);
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+ return -1;
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}
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pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
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--
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1.7.12
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