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_vout.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/mgb4/mgb4_vout.c b/drivers/media/pci/mgb4/mgb4_vout.c index 998edcbd9723..348c8e01fcbe 100644 --- a/drivers/media/pci/mgb4/mgb4_vout.c +++ b/drivers/media/pci/mgb4/mgb4_vout.c @@ -683,7 +683,7 @@ static void debugfs_init(struct mgb4_vout_dev *voutdev) voutdev->debugfs = debugfs_create_dir(voutdev->vdev.name, voutdev->mgbdev->debugfs); - if (!voutdev->debugfs) + if (IS_ERR(voutdev->debugfs)) return; voutdev->regs[0].name = "CONFIG"; -- 2.34.1
