The ax25_uid_free call walks the ax25_uid_list and releases
entries from it. The problem is that after the fisrt call to
hlist_del_init the hlist_for_each_entry (which hides behind
the ax25_uid_for_each) will consider the current position to
be the last and will return.

Thus, the whole list will be left not freed.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>

---

diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 5f4eb73..57aeba7 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -218,9 +218,11 @@ void __exit ax25_uid_free(void)
 	struct hlist_node *node;
 
 	write_lock(&ax25_uid_lock);
+again:
 	ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
 		hlist_del_init(&ax25_uid->uid_node);
 		ax25_uid_put(ax25_uid);
+		goto again;
 	}
 	write_unlock(&ax25_uid_lock);
 }
--
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