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Commit 2d76b2f8 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

net: sched: cls_matchall: fix null pointer dereference 



Since the head is guaranteed by the check above to be null, the call_rcu
would explode. Remove the previously logically dead code that was made
logically very much alive and kicking.

Fixes: 985538ee ("net/sched: remove redundant null check on head")
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 499fde66

net/sched/cls_matchall.c

+0 −1
Original line number Diff line number Diff line
@@ -203,7 +203,6 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, 


	*arg = (unsigned long) head;

	rcu_assign_pointer(tp->root, new);

	call_rcu(&head->rcu, mall_destroy_rcu);

	return 0;



err_replace_hw_filter: