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| author | Patrick McHardy <kaber@trash.net> | 2008-01-23 20:33:32 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:11:18 -0800 |
| commit | cee63723b358e594225e812d6e14a2a0abfd5c88 (patch) | |
| tree | 847f929e0f445cca8cdf55d7c17a56b0d0f2ec68 /net/sched/sch_red.c | |
| parent | ab27cfb85c5778400740ad0c401bde65616774eb (diff) | |
| download | lwn-cee63723b358e594225e812d6e14a2a0abfd5c88.tar.gz lwn-cee63723b358e594225e812d6e14a2a0abfd5c88.zip | |
[NET_SCHED]: Propagate nla_parse return value
nla_parse() returns more detailed errno codes, propagate them back on
error.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_red.c')
| -rw-r--r-- | net/sched/sch_red.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 6ce8da5aca0b..dcf6afc196f8 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -207,10 +207,15 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt) struct nlattr *tb[TCA_RED_MAX + 1]; struct tc_red_qopt *ctl; struct Qdisc *child = NULL; + int err; - if (opt == NULL || nla_parse_nested(tb, TCA_RED_MAX, opt, NULL)) + if (opt == NULL) return -EINVAL; + err = nla_parse_nested(tb, TCA_RED_MAX, opt, NULL); + if (err < 0) + return err; + if (tb[TCA_RED_PARMS] == NULL || nla_len(tb[TCA_RED_PARMS]) < sizeof(*ctl) || tb[TCA_RED_STAB] == NULL || |