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authorDavid S. Miller <davem@davemloft.net>2012-03-29 13:11:39 +0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 02:11:37 +0400
commit1b34ec43c9b3de44a5420841ab293d1b2035a94c (patch)
tree8d6cf966c813e0e61001655179b5ef8e5f1b54b3 /net/sched/act_gact.c
parent9360ffd1859720f6520cf59241909b74dae369d0 (diff)
downloadlinux-1b34ec43c9b3de44a5420841ab293d1b2035a94c.tar.xz
pkt_sched: Stop using NLA_PUT*().
These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_gact.c')
-rw-r--r--net/sched/act_gact.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index b77f5a06a658..f10fb8256442 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -162,7 +162,8 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int
};
struct tcf_t t;
- NLA_PUT(skb, TCA_GACT_PARMS, sizeof(opt), &opt);
+ if (nla_put(skb, TCA_GACT_PARMS, sizeof(opt), &opt))
+ goto nla_put_failure;
#ifdef CONFIG_GACT_PROB
if (gact->tcfg_ptype) {
struct tc_gact_p p_opt = {
@@ -171,13 +172,15 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a, int bind, int
.ptype = gact->tcfg_ptype,
};
- NLA_PUT(skb, TCA_GACT_PROB, sizeof(p_opt), &p_opt);
+ if (nla_put(skb, TCA_GACT_PROB, sizeof(p_opt), &p_opt))
+ goto nla_put_failure;
}
#endif
t.install = jiffies_to_clock_t(jiffies - gact->tcf_tm.install);
t.lastuse = jiffies_to_clock_t(jiffies - gact->tcf_tm.lastuse);
t.expires = jiffies_to_clock_t(gact->tcf_tm.expires);
- NLA_PUT(skb, TCA_GACT_TM, sizeof(t), &t);
+ if (nla_put(skb, TCA_GACT_TM, sizeof(t), &t))
+ goto nla_put_failure;
return skb->len;
nla_put_failure: