File kdump-Use-a-custom-namespace-for-physical-NICs.patch of Package kdump.21346

From c5a6c610e1b3b4ce34a8769b7772a682fb826bda Mon Sep 17 00:00:00 2001
From: Petr Tesarik <ptesarik@suse.com>
Date: Thu, 29 Nov 2018 12:54:57 +0100
Subject: Use a custom namespace for physical NICs
References: bsc#1094444, bsc#1116463, bsc#1141064
Upstream: merged
Git-commit: c5a6c610e1b3b4ce34a8769b7772a682fb826bda

To prevent rename conflicts, use kdumpX as the interface name
instead of the current name.

Signed-off-by: Petr Tesarik <ptesarik@suse.com>

---
 init/setup-kdump.functions |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/init/setup-kdump.functions
+++ b/init/setup-kdump.functions
@@ -11,6 +11,13 @@
 
 KDUMP_CONFIG=/etc/sysconfig/kdump
 
+#
+# Global variables
+#
+
+# Next network interface number
+kdump_ifnum=0
+
 # Extract the device name from a route
 #
 # Input:
@@ -448,7 +455,8 @@ function kdump_ifname_config()						   #
 
     if [ -z "$_ifkind" ]
     then
-	kdump_iface="$_iface"
+	kdump_iface="kdump$kdump_ifnum"
+	kdump_ifnum=$(( $kdump_ifnum + 1 ))
 	kdump_ifmap="$kdump_ifmap $_iface:$kdump_iface"
 
 	local _drv=$( readlink "/sys/class/net/$_iface/device/driver" )