In unaccel path we were unconditionaly calling the SourceValidate callback but in some case it could be NULL. Check if we have a valid callback before calling it.
Signed-off-by: Jerome Glisse <[email protected]> Acked-by: Michel Dänzer <[email protected]> --- exa/exa_unaccel.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/exa/exa_unaccel.c b/exa/exa_unaccel.c index b4ead7f..69d2b4b 100644 --- a/exa/exa_unaccel.c +++ b/exa/exa_unaccel.c @@ -464,9 +464,11 @@ ExaSrcValidate(DrawablePtr pDrawable, REGION_UNION(pScreen, dst, dst, ®); REGION_UNINIT(pScreen, ®); - swap(pExaScr, pScreen, SourceValidate); - pScreen->SourceValidate(pDrawable, x, y, width, height); - swap(pExaScr, pScreen, SourceValidate); + if (pScreen->SourceValidate) { + swap(pExaScr, pScreen, SourceValidate); + pScreen->SourceValidate(pDrawable, x, y, width, height); + swap(pExaScr, pScreen, SourceValidate); + } } static Bool -- 1.7.0.1 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
