ipv4: ip_ptr cleanups

dev->ip_ptr is protected by rtnl and rcu.

Yet some places dont use appropriate primitives and/or locking rules.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 179fcab866fc..10b24c02deb0 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -724,7 +724,7 @@ static int vif_add(struct net *net, struct mr_table *mrt,
         case 0:
                 if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
                         dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex);
-                        if (dev && dev->ip_ptr == NULL) {
+                        if (dev && __in_dev_get_rtnl(dev) == NULL) {
                                 dev_put(dev);
                                 return -EADDRNOTAVAIL;
                         }