network/ifup.sh: Don't try to modprobe ipv6, if already available

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
[Edited-by: Harald Hoyer]
Simplified logic.

diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
index 2e762ac9a188370a5416e7e3cf158925031209dd..349530f428a93dcb2a678bd14d0887000b1ef701 100755 (executable)
--- a/modules.d/40network/ifup.sh
+++ b/modules.d/40network/ifup.sh
@@ -106,6 +106,7 @@ do_dhcp() {
 }
 
 load_ipv6() {
+    [ -d /proc/sys/net/ipv6 ] && return
     modprobe ipv6
     i=0
     while [ ! -d /proc/sys/net/ipv6 ]; do