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>
This commit is contained in:
Tiago Vignatti 2010-12-17 16:09:35 +02:00 committed by Keith Packard
parent 4b88c7be8d
commit d1107918d4

View File

@ -939,6 +939,18 @@ 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;