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Diffstat (limited to 'net/sched/sch_dsmark.c')
-rw-r--r--net/sched/sch_dsmark.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index f183ab768873..f1d0a08aca75 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -116,9 +116,14 @@ static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
goto errout;
}
- if (!opt || nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL))
+ if (!opt)
goto errout;
+ err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL);
+ if (err < 0)
+ return err;
+
+ err = -EINVAL;
if (tb[TCA_DSMARK_MASK]) {
if (nla_len(tb[TCA_DSMARK_MASK]) < sizeof(u8))
goto errout;
@@ -351,9 +356,14 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
pr_debug("dsmark_init(sch %p,[qdisc %p],opt %p)\n", sch, p, opt);
- if (!opt || nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL) < 0)
+ if (!opt)
+ goto errout;
+
+ err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL);
+ if (err < 0)
goto errout;
+ err = -EINVAL;
if (nla_len(tb[TCA_DSMARK_INDICES]) < sizeof(u16))
goto errout;
indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);