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[PATCH v1] drivers:mei:Fix the NULL vs IS_ERR() bug for debugfs_create_dir()

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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





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