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/media/pci/mgb4/mgb4_vin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/mgb4/mgb4_vin.c b/drivers/media/pci/mgb4/mgb4_vin.c index e9332abb3172..808eb51b270c 100644 --- a/drivers/media/pci/mgb4/mgb4_vin.c +++ b/drivers/media/pci/mgb4/mgb4_vin.c @@ -860,7 +860,7 @@ static void debugfs_init(struct mgb4_vin_dev *vindev) vindev->debugfs = debugfs_create_dir(vindev->vdev.name, vindev->mgbdev->debugfs); - if (!vindev->debugfs) + if (IS_ERR(vindev->debugfs)) return; vindev->regs[0].name = "CONFIG"; -- 2.34.1
