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>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 453a73431ac4..882124ceb70c 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -550,11 +550,13 @@ static int tcf_csum_dump(struct sk_buff *skb,
         };
         struct tcf_t t;
 
-        NLA_PUT(skb, TCA_CSUM_PARMS, sizeof(opt), &opt);
+        if (nla_put(skb, TCA_CSUM_PARMS, sizeof(opt), &opt))
+                goto nla_put_failure;
         t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install);
         t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse);
         t.expires = jiffies_to_clock_t(p->tcf_tm.expires);
-        NLA_PUT(skb, TCA_CSUM_TM, sizeof(t), &t);
+        if (nla_put(skb, TCA_CSUM_TM, sizeof(t), &t))
+                goto nla_put_failure;
 
         return skb->len;