The io port range test was too large, requiring support for the
new io ports introduced in revision 3. The purpose was just the opposite,
to only require the revision 2 range, and use the revision 3 range only
if it is reported.
This fix is the minimal - it would probably be a good idea to also check
that the io range for rev 3 is correct otherwise fall back to rev 2.
---
miniport/qxl.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/miniport/qxl.c b/miniport/qxl.c
index 4271104..c27b7a0 100644
--- a/miniport/qxl.c
+++ b/miniport/qxl.c
@@ -180,7 +180,7 @@ VP_STATUS InitIO(QXLExtension *dev, PVIDEO_ACCESS_RANGE
range)
PAGED_CODE();
DEBUG_PRINT((dev, 0, "%s\n", __FUNCTION__));
- if (range->RangeLength < QXL_IO_RANGE_SIZE
+ if (range->RangeLength < QXL_IO_DESTROY_ALL_SURFACES + 1
|| !range->RangeInIoSpace) {
DEBUG_PRINT((dev, 0, "%s: bad io range\n", __FUNCTION__));
return ERROR_INVALID_DATA;
--
1.7.6
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