Author: blogic
Date: 2016-03-20 19:48:59 +0100 (Sun, 20 Mar 2016)
New Revision: 49054

Modified:
   trunk/package/network/ipv6/odhcp6c/files/dhcpv6.script
Log:
odhcp6c : Silence mtu write error warnings

Silence warning "daemon.notice netifd: wan6 (1139): sh: write error: Invalid 
argument"
when an invalid MTU is received via RA as kernel refuses to accept IPv6 mtu 
values
which are smaller than 1280 and bigger than the device mtu.

Signed-off-by: Hans Dedecker <[email protected]>

Modified: trunk/package/network/ipv6/odhcp6c/files/dhcpv6.script
===================================================================
--- trunk/package/network/ipv6/odhcp6c/files/dhcpv6.script      2016-03-20 
14:45:02 UTC (rev 49053)
+++ trunk/package/network/ipv6/odhcp6c/files/dhcpv6.script      2016-03-20 
18:48:59 UTC (rev 49054)
@@ -185,7 +185,7 @@
        # Apply IPv6 / ND configuration
        HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
        [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt 
"$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
-       [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > 
/proc/sys/net/ipv6/conf/$device/mtu
+       [ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > 
/proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
        [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo 
"$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
        [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo 
"$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
 
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