Use debugfs_remove_recursive to remove the /sys/kernel/debug/ttm directory for better compatibility. Becuase debugfs_remove fails on older kernel. Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx> --- drivers/gpu/drm/ttm/ttm_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index 967bc2244df3..590297123bb2 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -55,7 +55,7 @@ static void ttm_global_release(void) goto out; ttm_pool_mgr_fini(); - debugfs_remove(ttm_debugfs_root); + debugfs_remove_recursive(ttm_debugfs_root); __free_page(glob->dummy_read_page); memset(glob, 0, sizeof(*glob)); -- 2.25.1
