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mlxsw: spectrum_router: Only handle IPv4 and IPv6 events 

The driver doesn't support events from address families other than IPv4
and IPv6, so ignore them. Otherwise, we risk queueing a work item before
it's initialized.

This can happen in case a VRF is configured when MROUTE_MULTIPLE_TABLES
is enabled, as the VRF driver will try to add an l3mdev rule for the
IPMR family.

Fixes: 65e65ec137 ("mlxsw: spectrum_router: Don't ignore IPv6 notifications")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Andreas Rammhold <andreas@rammhold.de>
Reported-by: Florian Klink <flokli@flokli.de>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2017-09-15 15:31:07 +02:00 committed by David S. Miller
parent 2130c02816
commit 8e29f97979
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -4868,7 +4868,8 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
struct fib_notifier_info *info = ptr; struct fib_notifier_info *info = ptr;
struct mlxsw_sp_router *router; struct mlxsw_sp_router *router;
if (!net_eq(info->net, &init_net)) if (!net_eq(info->net, &init_net) ||
(info->family != AF_INET && info->family != AF_INET6))
return NOTIFY_DONE; return NOTIFY_DONE;
fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC); fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC);