diff options
| -rw-r--r-- | net/sched/cls_flow.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 8d7698621f0a..eeb223cf14cf 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -402,12 +402,13 @@ static int flow_change(struct tcf_proto *tp, unsigned long base, if (tb[TCA_FLOW_KEYS]) { keymask = nla_get_u32(tb[TCA_FLOW_KEYS]); - if (fls(keymask) - 1 > FLOW_KEY_MAX) - return -EOPNOTSUPP; nkeys = hweight32(keymask); if (nkeys == 0) return -EINVAL; + + if (fls(keymask) - 1 > FLOW_KEY_MAX) + return -EOPNOTSUPP; } err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &flow_ext_map); |