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xfree86/randr: Avoid a crash when xf86CrtcConfigPrivateIndex is -1.

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This commit is contained in:
Maarten Maathuis 2008-12-22 00:33:55 +01:00
parent 1567b7243f
commit 82fba7697f
1 changed files with 1 additions and 1 deletions
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hw/xfree86/modes/xf86Crtc.c
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@ -3152,7 +3152,7 @@ xf86_crtc_supports_gamma(ScrnInfoPtr pScrn)
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86CrtcPtr crtc;
if (!xf86_config)
if ((xf86CrtcConfigPrivateIndex == -1) || !xf86_config)
return FALSE;
if (xf86_config->num_crtc == 0)