Staging: batman-adv: fix own mac address detection

Earlier batman-adv versions would only create a batman_if struct after
a corresponding interface had been activated by a user. Now each
existing system interface has a batman_if struct and has to be checked
by verifying the IF_ACTIVE flag.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index 2686019fe4e1..ef7c20ae7979 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -250,10 +250,13 @@ int choose_orig(void *data, int32_t size)
 int is_my_mac(uint8_t *addr)
 {
         struct batman_if *batman_if;
+
         rcu_read_lock();
         list_for_each_entry_rcu(batman_if, &if_list, list) {
-                if ((batman_if->net_dev) &&
-                    (compare_orig(batman_if->net_dev->dev_addr, addr))) {
+                if (batman_if->if_status != IF_ACTIVE)
+                        continue;
+
+                if (compare_orig(batman_if->net_dev->dev_addr, addr)) {
                         rcu_read_unlock();
                         return 1;
                 }