diff options
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_utils.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_utils.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 337410f40860..016524683e17 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -174,10 +174,14 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, rcu_read_lock(); in = __in_dev_get_rcu(upper_dev); - if (!in->ifa_list) - local_ipaddr = 0; - else - local_ipaddr = ntohl(in->ifa_list->ifa_address); + local_ipaddr = 0; + if (in) { + struct in_ifaddr *ifa; + + ifa = rcu_dereference(in->ifa_list); + if (ifa) + local_ipaddr = ntohl(ifa->ifa_address); + } rcu_read_unlock(); } else { |