From 18efe9a6878e52c53161c7a169863c4a7c5778fd Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 4 Nov 2009 23:09:05 +0000 Subject: [PATCH] ws/i965: allow NULL buffer in winsys::bo_unreference Special case to avoid clutter in the driver --- src/gallium/winsys/drm/i965/xlib/xlib_i965.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/gallium/winsys/drm/i965/xlib/xlib_i965.c b/src/gallium/winsys/drm/i965/xlib/xlib_i965.c index 4ce22a5a49a..08fce4b20b8 100644 --- a/src/gallium/winsys/drm/i965/xlib/xlib_i965.c +++ b/src/gallium/winsys/drm/i965/xlib/xlib_i965.c @@ -154,6 +154,12 @@ xlib_brw_bo_unreference( struct brw_winsys_buffer *buffer ) { struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + /* As a special favor in this call only, buffer is allowed to be + * NULL: + */ + if (buffer == NULL) + return; + if (--buf->cheesy_refcount == 0) { FREE(buffer); } -- 2.30.2