[PATCH 3.10 65/74] drm/vmwgfx: Dont put resources with invalid ids on lru list

[Greg Kroah-Hartman]

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>

commit 26682480c202e7360cbcdc3bc9e962bf749c6b8d upstream.

The evict code may try to swap them out causing a BUG in the destroy
function.

Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reviewed-by: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -970,7 +970,7 @@ void vmw_resource_unreserve(struct vmw_r
 	if (new_backup)
 		res->backup_offset = new_backup_offset;
 
-	if (!res->func->may_evict)
+	if (!res->func->may_evict || res->id == -1)
 		return;
 
 	write_lock(&dev_priv->resource_lock);


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