diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 1f8b19d9cf97bdd2224102a3e2a1684460c6a46f..50988b21a21b09b0108e65b479f495ba01b3190b 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1482,7 +1482,7 @@ ssize_t name##_show(struct device *dev,					\
 		struct device_attribute *attr, char *buf)		\
 {									\
 	struct usb_udc *udc = container_of(dev, struct usb_udc, dev);	\
-	return snprintf(buf, PAGE_SIZE, "%s\n",				\
+	return scnprintf(buf, PAGE_SIZE, "%s\n",			\
 			usb_speed_string(udc->gadget->param));		\
 }									\
 static DEVICE_ATTR_RO(name)
@@ -1497,7 +1497,7 @@ ssize_t name##_show(struct device *dev,				\
 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev); \
 	struct usb_gadget	*gadget = udc->gadget;		\
 								\
-	return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name);	\
+	return scnprintf(buf, PAGE_SIZE, "%d\n", gadget->name);	\
 }								\
 static DEVICE_ATTR_RO(name)
 
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index e744d4b7bfed4deb4d2110f328f8eb939dd2bfe9..baf72f95f0f1cb38ff443bc802a258b6f04ef899 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -2366,7 +2366,7 @@ static inline ssize_t show_urb(char *buf, size_t size, struct urb *urb)
 {
 	int ep = usb_pipeendpoint(urb->pipe);
 
-	return snprintf(buf, size,
+	return scnprintf(buf, size,
 		"urb/%p %s ep%d%s%s len %d/%d\n",
 		urb,
 		({ char *s;