diff options
Diffstat (limited to 'net/sched/sch_atm.c')
| -rw-r--r-- | net/sched/sch_atm.c | 6 |
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]); |