[PATCH 5/5] GetCrtcGamma: Fix error handling.
ajax at nwnk.net
Tue Nov 10 06:47:33 PST 2009
On Mon, 2009-11-09 at 17:01 -0800, Jamey Sharp wrote:
> Reviewed-by: Jamey Sharp <jamey at minilop.net>
> I pointed this bug out to Keith last week. XCB-based Xlib assert-fails
> if you try to read past the end of your reply, as this function does
> in the error case, and we got a bug report on the xcb list. I don't
> have a test case for your patch but it looks correct to me.
dispwin(1) from argyllcms would trigger this. If you had a connected or
unknown-connection output with no associated CRTC, it would attempt to
GetCrtcGamma on the associated CRTC (ie, None). X would rightly throw
an error, we'd parse it as a reply, assert.
See also https://bugzilla.redhat.com/show_bug.cgi?id=498931
> I also reviewed the other four patches in this series. Feel free to
> include my Reviewed-by in those as well.
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