most: usb: replace snprintf in show functions with sysfs_emit

coccicheck complains about the use of snprintf() in sysfs show
WARNING use scnprintf or sprintf

Use sysfs_emit instead of scnprintf, snprintf or sprintf makes more

Reported-by: Zeal Robot <>
Signed-off-by: Jing Yao <>
Signed-off-by: Greg Kroah-Hartman <>
diff --git a/drivers/most/most_usb.c b/drivers/most/most_usb.c
index acabb77..73258b24 100644
--- a/drivers/most/most_usb.c
+++ b/drivers/most/most_usb.c
@@ -831,7 +831,7 @@
 	int err;
 	if (sysfs_streq(name, "arb_address"))
-		return snprintf(buf, PAGE_SIZE, "%04x\n", dci_obj->reg_addr);
+		return sysfs_emit(buf, "%04x\n", dci_obj->reg_addr);
 	if (sysfs_streq(name, "arb_value"))
 		reg_addr = dci_obj->reg_addr;
@@ -843,7 +843,7 @@
 	if (err < 0)
 		return err;
-	return snprintf(buf, PAGE_SIZE, "%04x\n", val);
+	return sysfs_emit(buf, "%04x\n", val);
 static ssize_t value_store(struct device *dev, struct device_attribute *attr,