1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 7188137fa08e..e21f7cc5ae4d 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -828,6 +828,9 @@ static int can_validate(struct nlattr *tb[], struct nlattr *data[])
          * - control mode with CAN_CTRLMODE_FD set
          */
 
+        if (!data)
+                return 0;
+
         if (data[IFLA_CAN_CTRLMODE]) {
                 struct can_ctrlmode *cm = nla_data(data[IFLA_CAN_CTRLMODE]);
 
@@ -1038,6 +1041,11 @@ static int can_newlink(struct net *src_net, struct net_device *dev,
         return -EOPNOTSUPP;
 }
 
+static void can_dellink(struct net_device *dev, struct list_head *head)
+{
+        return;
+}
+
 static struct rtnl_link_ops can_link_ops __read_mostly = {
         .kind           = "can",
         .maxtype        = IFLA_CAN_MAX,
@@ -1046,6 +1054,7 @@ static struct rtnl_link_ops can_link_ops __read_mostly = {
         .validate       = can_validate,
         .newlink        = can_newlink,
         .changelink     = can_changelink,
+        .dellink        = can_dellink,
         .get_size       = can_get_size,
         .fill_info      = can_fill_info,
         .get_xstats_size = can_get_xstats_size,