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pkt_sched: Stop using NLA_PUT*().

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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>
This commit is contained in:
David S. Miller
2012-03-29 05:11:39 -04:00
parent 9360ffd185
commit 1b34ec43c9
40 changed files with 263 additions and 157 deletions
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18
net/sched/sch_dsmark.c
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@@ -429,8 +429,9 @@ static int dsmark_dump_class(struct Qdisc *sch, unsigned long cl,
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
NLA_PUT_U8(skb, TCA_DSMARK_MASK, p->mask[cl - 1]);
NLA_PUT_U8(skb, TCA_DSMARK_VALUE, p->value[cl - 1]);
if (nla_put_u8(skb, TCA_DSMARK_MASK, p->mask[cl - 1]) ||
nla_put_u8(skb, TCA_DSMARK_VALUE, p->value[cl - 1]))
goto nla_put_failure;
return nla_nest_end(skb, opts);
@@ -447,13 +448,16 @@ static int dsmark_dump(struct Qdisc *sch, struct sk_buff *skb)
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
NLA_PUT_U16(skb, TCA_DSMARK_INDICES, p->indices);
if (nla_put_u16(skb, TCA_DSMARK_INDICES, p->indices))
goto nla_put_failure;
if (p->default_index != NO_DEFAULT_INDEX)
NLA_PUT_U16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index);
if (p->default_index != NO_DEFAULT_INDEX &&
nla_put_u16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index))
goto nla_put_failure;
if (p->set_tc_index)
NLA_PUT_FLAG(skb, TCA_DSMARK_SET_TC_INDEX);
if (p->set_tc_index &&
nla_put_flag(skb, TCA_DSMARK_SET_TC_INDEX))
goto nla_put_failure;
return nla_nest_end(skb, opts);