Commit 63cc5bcc authored Aug 08, 2018 by Jiri Pirko Committed by David S. Miller Aug 09, 2018

net: sched: fix block->refcnt decrement



Currently the refcnt is never decremented in case the value is not 1.
Fix it by adding decrement in case the refcnt is not 1.

Reported-by: Vlad Buslov <vladbu@mellanox.com>
Fixes: f71e0ca4 ("net: sched: Avoid implicit chain 0 creation")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 0bab1cdc

net/sched/cls_api.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -780,6 +780,8 @@ void tcf_block_put_ext(struct tcf_block block, struct Qdisc q,
		block->refcnt--;
		if (list_empty(&block->chain_list))
		kfree(block);
		} else {
		block->refcnt--;
		}
		}
		EXPORT_SYMBOL(tcf_block_put_ext);