diff options
| author | David S. Miller <davem@davemloft.net> | 2017-06-30 12:43:08 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-30 12:43:08 -0400 |
| commit | b07911593719828cac023bdcf6bf4da1c9ba546f (patch) | |
| tree | c4d2f66e6f2506e5b5439ffca0449e646f677b33 /net/ipv6/route.c | |
| parent | 52a623bd6189b6ea8f06a0d7594c7604deaab24a (diff) | |
| parent | 4d8a991d460d4fa4829beaffdcba45a217ca0fa7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
A set of overlapping changes in macvlan and the rocker
driver, nothing serious.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 2e4490076061..0488a24c2a44 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3730,7 +3730,11 @@ static int ip6_route_dev_notify(struct notifier_block *this, net->ipv6.ip6_blk_hole_entry->dst.dev = dev; net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); #endif - } else if (event == NETDEV_UNREGISTER) { + } else if (event == NETDEV_UNREGISTER && + dev->reg_state != NETREG_UNREGISTERED) { + /* NETDEV_UNREGISTER could be fired for multiple times by + * netdev_wait_allrefs(). Make sure we only call this once. + */ in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); #ifdef CONFIG_IPV6_MULTIPLE_TABLES in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); |