From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 3 Oct 2013 13:10:33 +0000 (+0200)
Subject: device_add_user: return immediately if the new device is the same as the old device
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=9c5fe49282cd15e81c8cf771aa271db10facc5b1

device_add_user: return immediately if the new device is the same as the old device

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/device.c b/device.c
index e635b05..53971c8 100644
--- a/device.c
+++ b/device.c
@@ -408,6 +408,9 @@ void device_add_user(struct device_user *dep, struct device *dev)
 {
 	struct safe_list *head;
 
+	if (dep->dev == dev)
+		return;
+
 	if (dep->dev)
 		device_remove_user(dep);