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cell: added null ptr check in xm_flush_frontbuffer()

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This commit is contained in:
Brian Paul 2009-02-23 20:23:00 -07:00
parent e6479c6250
commit 66ddf1a00f
1 changed files with 2 additions and 1 deletions
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3
src/gallium/winsys/xlib/xlib_cell.c
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@ -222,7 +222,8 @@ xm_flush_frontbuffer(struct pipe_winsys *pws,
* This function copies that XImage to the actual X Window.
*/
XMesaContext xmctx = (XMesaContext) context_private;
xlib_cell_display_surface(xmctx->xm_buffer, surf);
if (xmctx)
xlib_cell_display_surface(xmctx->xm_buffer, surf);
}