diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index a5cc0ccd94f1..2f96c673b60a 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -3826,6 +3826,10 @@ static ssize_t qm_get_qos_value(struct hisi_qm *qm, const char *buf,
 	}
 
 	pdev = container_of(dev, struct pci_dev, dev);
+	if (pci_physfn(pdev) != qm->pdev) {
+		pci_err(qm->pdev, "the pdev input does not match the pf!\n");
+		return -EINVAL;
+	}
 
 	*fun_index = pdev->devfn;