summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/i40iw/i40iw_utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_utils.c')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_utils.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c
index c5a881172524..337410f40860 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_utils.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c
@@ -173,7 +173,12 @@ int i40iw_inetaddr_event(struct notifier_block *notifier,
rcu_read_lock();
in = __in_dev_get_rcu(upper_dev);
- local_ipaddr = ntohl(in->ifa_list->ifa_address);
+
+ if (!in->ifa_list)
+ local_ipaddr = 0;
+ else
+ local_ipaddr = ntohl(in->ifa_list->ifa_address);
+
rcu_read_unlock();
} else {
local_ipaddr = ntohl(ifa->ifa_address);
@@ -185,6 +190,11 @@ int i40iw_inetaddr_event(struct notifier_block *notifier,
case NETDEV_UP:
/* Fall through */
case NETDEV_CHANGEADDR:
+
+ /* Just skip if no need to handle ARP cache */
+ if (!local_ipaddr)
+ break;
+
i40iw_manage_arp_cache(iwdev,
netdev->dev_addr,
&local_ipaddr,