sch_tbf: Fix potential memory leak in tbf_change().
authorHiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Wed, 26 Feb 2014 12:43:42 +0000 (21:43 +0900)
committerDavid S. Miller <davem@davemloft.net>
Thu, 27 Feb 2014 17:53:50 +0000 (12:53 -0500)
commit724b9e1d75ab3401aaa081bd4efb440c1b3509db
treead5545d23ed048dc2576eb8537446c3ccc421003
parent09a89c219baf0f116387efc928e325cf23630f20
sch_tbf: Fix potential memory leak in tbf_change().

The allocated child qdisc is not freed in error conditions.
Defer the allocation after user configuration turns out to be
valid and acceptable.

Fixes: cc106e441a63b ("net: sched: tbf: fix the calculation of max_size")
Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_tbf.c