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DGA: Fix ProcXF86DGASetViewPort for missing support in driver.

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Fixes a segfault when trying to activate a DGA mode without checking
whether DGA modesetting is at all possible.
This commit is contained in:
Luc Verhaegen
2008-10-08 14:55:29 +02:00
parent d1bb5e3b47
commit 1feb69eb63
1 changed files with 5 additions and 2 deletions
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3
hw/xfree86/dixmods/extmod/xf86dga.c
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@@ -153,6 +153,9 @@ ProcXF86DGASetViewPort(ClientPtr client)
REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
if (!DGAAvailable(stuff->screen))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if (!DGAActive(stuff->screen)) if (!DGAActive(stuff->screen))
{ {
int num; int num;