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-rw-r--r--net/batman-adv/bat_v.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index 3ff8bd1..50bfcf8 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -27,6 +27,7 @@
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
+#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/workqueue.h>
@@ -276,6 +277,9 @@ static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1,
ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1);
ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2);
+ if (WARN_ON(!ifinfo1 || !ifinfo2))
+ return false;
+
threshold = ifinfo1->bat_v.throughput / 4;
threshold = ifinfo1->bat_v.throughput - threshold;
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