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-rw-r--r--net/sched/sch_atm.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index e58739153782..aaa32a22726d 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -223,8 +223,12 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
*/
if (flow)
return -EBUSY;
- if (opt == NULL || nla_parse_nested(tb, TCA_ATM_MAX, opt, NULL))
+ if (opt == NULL)
return -EINVAL;
+ error = nla_parse_nested(tb, TCA_ATM_MAX, opt, NULL);
+ if (error < 0)
+ return error;
+
if (!tb[TCA_ATM_FD] || nla_len(tb[TCA_ATM_FD]) < sizeof(fd))
return -EINVAL;
fd = *(int *)nla_data(tb[TCA_ATM_FD]);