diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index 694490b24629..ea11368834a3 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1700,7 +1700,7 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc
 
 	pcu->ctrl_intf = usb_ifnum_to_if(pcu->udev,
 					 union_desc->bMasterInterface0);
-	if (!pcu->ctrl_intf)
+	if (pcu->ctrl_intf != intf)
 		return -EINVAL;
 
 	alt = pcu->ctrl_intf->cur_altsetting;