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randr: check for virtual size limits before set crtc

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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>
(cherry picked from commit d1107918d4)
This commit is contained in:
Tiago Vignatti 2010-12-17 16:09:35 +02:00 • committed by Adam Jackson
parent a3c7b86472
commit 08db658a19
1 changed files with 12 additions and 0 deletions
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12
randr/rrscreen.c
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@ -915,6 +915,18 @@ 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;