The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Signed-off-by: Yang Ruibin <11162571@xxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/mei/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mei/main.c b/drivers/net/wireless/intel/iwlwifi/mei/main.c index 1dd9106c6513..d0438f9a9ab8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mei/main.c +++ b/drivers/net/wireless/intel/iwlwifi/mei/main.c @@ -1894,7 +1894,7 @@ static void iwl_mei_dbgfs_register(struct iwl_mei *mei) { mei->dbgfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (!mei->dbgfs_dir) + if (IS_ERR(mei->dbgfs_dir)) return; debugfs_create_ulong("status", S_IRUSR, -- 2.34.1