From: Thomas Hellström <[email protected]>
commit a590f03d8de7c4cb7ce4916dc7f2fd10711faabe upstream.
If moving the bo to system for swapout failed, we were leaking
a resource. Fix.
Fixes: bfa3357ef9ab ("drm/ttm: allocate resource object instead of embedding it
v2")
Cc: Christian König <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: [email protected]
Cc: <[email protected]> # v5.14+
Signed-off-by: Thomas Hellström <[email protected]>
Reviewed-by: Nirmoy Das <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Reviewed-by: Christian König <[email protected]>
Link:
https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/ttm/ttm_bo.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1167,6 +1167,7 @@ int ttm_bo_swapout(struct ttm_buffer_obj
ret = ttm_bo_handle_move_mem(bo, evict_mem, true, &ctx, &hop);
if (unlikely(ret != 0)) {
WARN(ret == -EMULTIHOP, "Unexpected multihop in swaput
- likely driver bug.\n");
+ ttm_resource_free(bo, &evict_mem);
goto out;
}
}