batman-adv: Delete an unnecessary check before the function call "batadv_softif_vlan_...

The batadv_softif_vlan_free_ref() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index ec67def..5852fda 100644 (file)
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -3356,8 +3356,7 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
        ret = true;
 
 out:
-       if (vlan)
-               batadv_softif_vlan_free_ref(vlan);
+       batadv_softif_vlan_free_ref(vlan);
        if (tt_global_entry)
                batadv_tt_global_entry_free_ref(tt_global_entry);
        if (tt_local_entry)