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commit da678db0ef57c45f1bbe1c0e8f14da70746ed2cd
Author: Tiago Vignatti <tiago.vignatti@nokia.com>
Date: Fri Dec 17 16:09:35 2010 +0200
Backport: randr: check for virtual size limits before set crtc
Return a error if the screen is configured to an invalid size.
Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
Backported from Arctica GH 3.6.x branch.
v2: backport to nx-libs 3.6.x (Ulrich Sibiller)
v3: backport to nx-libs 3.5.0.x (Mihai Moldovan)
--- a/nx-X11/programs/Xserver/randr/rrscreen.c
+++ b/nx-X11/programs/Xserver/randr/rrscreen.c
@@ -938,6 +938,18 @@ ProcRRSetScreenConfig (ClientPtr client)
width = mode->mode.height;
height = mode->mode.width;
}
+
+ if (width < pScrPriv->minWidth || pScrPriv->maxWidth < width) {
+ client->errorValue = width;
+ free(pData);
+ return BadValue;
+ }
+ if (height < pScrPriv->minHeight || pScrPriv->maxHeight < height) {
+ client->errorValue = height;
+ free(pData);
+ return BadValue;
+ }
+
if (width != pScreen->width || height != pScreen->height)
{
int c;
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