From: Eric Dumazet <edumazet@xxxxxxxxxx> [ Upstream commit 14695212d4cd8b0c997f6121b6df8520038ce076 ] My intent was to not let users set a zero drop_batch_size, it seems I once again messed with min()/max(). Fixes: 9d18562a2278 ("fq_codel: add batch ability to fq_codel_drop()") Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx> Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/sched/sch_fq_codel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -428,7 +428,7 @@ static int fq_codel_change(struct Qdisc q->quantum = max(256U, nla_get_u32(tb[TCA_FQ_CODEL_QUANTUM])); if (tb[TCA_FQ_CODEL_DROP_BATCH_SIZE]) - q->drop_batch_size = min(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])); + q->drop_batch_size = max(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])); if (tb[TCA_FQ_CODEL_MEMORY_LIMIT]) q->memory_limit = min(1U << 31, nla_get_u32(tb[TCA_FQ_CODEL_MEMORY_LIMIT]));