From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 23 Sep 2018 17:51:26 +0000 (+0200)
Subject: hotplug: Don't try to remove gre0
X-Git-Tag: 010~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e54199b6a2d8577221e3d7a0181b172aa31f4788;p=network.git

hotplug: Don't try to remove gre0

This device cannot be removed

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/functions/functions.device b/src/functions/functions.device
index f5162391..b753ae37 100644
--- a/src/functions/functions.device
+++ b/src/functions/functions.device
@@ -298,6 +298,13 @@ device_is_wireless() {
 	[ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
 }
 
+device_is_gre() {
+	local device="${1}"
+	assert isset device
+
+	__device_type_matches "${device}" 778
+}
+
 device_is_vti() {
 	local device="${1}"
 	assert isset device
diff --git a/src/udev/network-hotplug b/src/udev/network-hotplug
index f058dd75..c810bf2e 100644
--- a/src/udev/network-hotplug
+++ b/src/udev/network-hotplug
@@ -84,6 +84,13 @@ case "${SUBSYSTEM}" in
 					log WARNING "Got to hotplug event for a port which does not exist: ${INTERFACE}"
 
 					# Try to remove the device again
+
+					# GRE
+					if device_is_gre "${INTERFACE}" && [ "${INTERFACE}" = "gre0" ]; then
+						log DEBUG "gre0 cannot be removed"
+						exit ${EXIT_OK}
+					fi
+
 					TYPE="$(device_get_type "${INTERFACE}")"
 					case "${TYPE}" in
 						bonding)