diff options
| author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-09-15 16:43:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-16 15:19:23 -0400 |
| commit | 44b75e43178276f57141c314661526496e85a3ab (patch) | |
| tree | aece79e280b9b15696e876b3772b460aa968674e /net/sched | |
| parent | c1f570a6abc192f047550743f9957b617af605af (diff) | |
| download | linux-44b75e43178276f57141c314661526496e85a3ab.tar.bz2 | |
net_sched: fix memory leak in cls_tcindex
Fixes: commit 331b72922c5f58d48fd ("net: sched: RCU cls_tcindex")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-By: John Fastabend <john.r.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/cls_tcindex.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index dd2d691f0bbb..ee525426b3d4 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -242,8 +242,10 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, * perfect hash and hash pointers from old data. */ cp = kzalloc(sizeof(*cp), GFP_KERNEL); - if (!cp) - return -ENOMEM; + if (!cp) { + err = -ENOMEM; + goto errout; + } cp->mask = p->mask; cp->shift = p->shift; @@ -257,6 +259,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, sizeof(*r) * cp->hash, GFP_KERNEL); if (!cp->perfect) goto errout; + balloc = 1; } cp->h = p->h; @@ -282,9 +285,9 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, if (cp->perfect) { if (!valid_perfect_hash(cp) || cp->hash > cp->alloc_hash) - goto errout; + goto errout_alloc; } else if (cp->h && cp->hash != cp->alloc_hash) { - goto errout; + goto errout_alloc; } err = -EINVAL; @@ -311,7 +314,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, */ if (cp->perfect || valid_perfect_hash(cp)) if (handle >= cp->alloc_hash) - goto errout; + goto errout_alloc; err = -ENOMEM; @@ -321,7 +324,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, cp->perfect = kcalloc(cp->hash, sizeof(*r), GFP_KERNEL); if (!cp->perfect) - goto errout; + goto errout_alloc; for (i = 0; i < cp->hash; i++) tcf_exts_init(&cp->perfect[i].exts, TCA_TCINDEX_ACT, @@ -335,7 +338,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base, GFP_KERNEL); if (!hash) - goto errout; + goto errout_alloc; cp->h = hash; balloc = 2; |