From 6a0b8aea5e67811828fed8df836feb64e3da89f9 Mon Sep 17 00:00:00 2001
From: Mikhail Efremov <sem@altlinux.org>
Date: Thu, 25 Dec 2014 20:56:28 +0300
Subject: [PATCH] Check that bond has slaves before commit.

---
 alterator-net-eth/backend3/net-eth | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/alterator-net-eth/backend3/net-eth b/alterator-net-eth/backend3/net-eth
index 352cdc7..be63061 100755
--- a/alterator-net-eth/backend3/net-eth
+++ b/alterator-net-eth/backend3/net-eth
@@ -46,6 +46,17 @@ is_bond()
 	[ "$(read_iface_option "$ifacedir" TYPE)" = bond ]
 }
 
+check_bond()
+{
+    local iface="$1"; shift
+
+	if [ -n "$(read_iface_slaves "$cachedir/$iface")" ]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
 real_iface()
 {
     local ifacedir="$1"; shift
@@ -231,6 +242,12 @@ commit_cache()
 	    local old_ipv6configuration="$(read_configuration "/etc/net/ifaces/$ifname" 6)"
 	    local new_ipv6configuration="$(read_configuration "$iface" 6)"
 
+        # check bond settings
+        if is_bond "$ifname" && ! check_bond "$ifname"; then
+            write_error "`_ "Bond inteface $ifname confifiguration is invalid"`"
+            continue
+        fi
+
 	    #update configs
 	    rm -rf -- "/etc/net/ifaces/$ifname"
       if [ -e "$cachedir/$ifname/REMOVED" ]; then