netdev-linux: Fix wrong ceil rate when max-rate less than 8bit.
When max-rate is less than 8bit, the hc->max_rate will be set
as htb->max_rate mistakenly instead of mtu of netdev.
Fixes: ("smap: New function smap_get_ullong().")
@@ -3762,6 +3762,7 @@ htb_parse_class_details__(struct netdev *netdev,
{
const struct htb *htb = htb_get__(netdev);
int mtu, error;
+ unsigned long long int max_rate_bit;
error = netdev_linux_get_mtu__(netdev_linux_cast(netdev), &mtu);
if (error) {
@@ -3777,10 +3778,8 @@ htb_parse_class_details__(struct netdev *netdev,
hc->min_rate = MIN(hc->min_rate, htb->max_rate);
/* max-rate */
- hc->max_rate = smap_get_ullong(details, "max-rate", 0) / 8;
- if (!hc->max_rate) {
- hc->max_rate = htb->max_rate;
- }
+ max_rate_bit = smap_get_ullong(details, "max-rate", 0);
+ hc->max_rate = max_rate_bit ? max_rate_bit / 8 : htb->max_rate;
hc->max_rate = MAX(hc->max_rate, hc->min_rate);
hc->max_rate = MIN(hc->max_rate, htb->max_rate);
