From: Matwey V. Kornilov Date: Fri, 2 Nov 2018 18:19:36 +0000 (+0300) Subject: net: core: netpoll: Enable netconsole IPv6 link local address X-Git-Tag: v4.20-rc2~33^2~4 X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=d016b4a3562b745fd9fa387a47d8de62ccd7e241 net: core: netpoll: Enable netconsole IPv6 link local address There is no reason to discard using source link local address when remote netconsole IPv6 address is set to be link local one. The patch allows administrators to use IPv6 netconsole without explicitly configuring source address: netconsole=@/,@fe80::5054:ff:fe2f:6012/ Signed-off-by: Matwey V. Kornilov Signed-off-by: David S. Miller --- diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 5da9552b186b..2b9fdbc43205 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -717,7 +717,8 @@ int netpoll_setup(struct netpoll *np) read_lock_bh(&idev->lock); list_for_each_entry(ifp, &idev->addr_list, if_list) { - if (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL) + if (!!(ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL) != + !!(ipv6_addr_type(&np->remote_ip.in6) & IPV6_ADDR_LINKLOCAL)) continue; np->local_ip.in6 = ifp->addr; err = 0;