[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>
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index a4f932d..4aa2b45 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -229,11 +229,14 @@
struct prio_sched_data *q = qdisc_priv(sch);
struct tc_prio_qopt *qopt;
struct nlattr *tb[TCA_PRIO_MAX + 1];
+ int err;
int i;
- if (nla_parse_nested_compat(tb, TCA_PRIO_MAX, opt, NULL, qopt,
- sizeof(*qopt)))
- return -EINVAL;
+ err = nla_parse_nested_compat(tb, TCA_PRIO_MAX, opt, NULL, qopt,
+ sizeof(*qopt));
+ if (err < 0)
+ return err;
+
q->bands = qopt->bands;
/* If we're multiqueue, make sure the number of incoming bands
* matches the number of queues on the device we're associating with.