[NET]: Remove redundant NULL checks before [kv]free

Redundant NULL check before kfree removal
from net/

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 953307a..a3bbc89 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -229,8 +229,7 @@
 				     publ->node, publ->ref, publ->key);
         assert(p == publ);
 	write_unlock_bh(&tipc_nametbl_lock);
-	if (publ)
-		kfree(publ);
+	kfree(publ);
 }
 
 /**