drm/vmwgfx: Fix command defines and checks

[linux-2.6-block.git] / drivers / gpu / drm / vmwgfx / vmwgfx_execbuf.c

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 904fdde1ebab35c6c9cdd09ad67c58624a76b69f..efb575a7996c2aed35e7046a47fd61acdbc167a0 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -2032,6 +2032,9 @@ static int vmw_cmd_check(struct vmw_private *dev_priv,
                goto out_invalid;
 
        entry = &vmw_cmd_entries[cmd_id];
+       if (unlikely(!entry->func))
+               goto out_invalid;
+
        if (unlikely(!entry->user_allow && !sw_context->kernel))
                goto out_privileged;