Module: Mesa Branch: mesa_7_7_branch Commit: 69671df74c8b45f08149c248a7ee905912aec2b0 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=69671df74c8b45f08149c248a7ee905912aec2b0
Author: Vinson Lee <[email protected]> Date: Thu Nov 26 23:02:49 2009 -0500 svga: Prevent potential null pointer dereference in vmw_surface.c. --- src/gallium/winsys/drm/vmware/core/vmw_surface.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/src/gallium/winsys/drm/vmware/core/vmw_surface.c b/src/gallium/winsys/drm/vmware/core/vmw_surface.c index c19e556..64eb32f 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_surface.c +++ b/src/gallium/winsys/drm/vmware/core/vmw_surface.c @@ -37,11 +37,13 @@ vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst, { struct pipe_reference *src_ref; struct pipe_reference *dst_ref; - struct vmw_svga_winsys_surface *dst = *pdst; - + struct vmw_svga_winsys_surface *dst; + if(pdst == NULL || *pdst == src) return; - + + dst = *pdst; + src_ref = src ? &src->refcnt : NULL; dst_ref = dst ? &dst->refcnt : NULL; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
