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diff --git a/sys/netinet/tcp_stacks/rack.c b/sys/netinet/tcp_stacks/rack.c
--- a/sys/netinet/tcp_stacks/rack.c
+++ b/sys/netinet/tcp_stacks/rack.c
@@ -21283,7 +21283,8 @@
unsigned ipsec_optlen = 0;
#endif
- int32_t idle, sendalot, tot_idle;
+ int32_t idle, sendalot;
+ uint32_t tot_idle;
int32_t sub_from_prr = 0;
volatile int32_t sack_rxmit;
struct rack_sendmap *rsm = NULL;
@@ -21525,8 +21526,8 @@
if ((tp->snd_una == tp->snd_max) &&
rack->r_ctl.rc_went_idle_time &&
(cts > rack->r_ctl.rc_went_idle_time)) {
- tot_idle = idle = (cts - rack->r_ctl.rc_went_idle_time);
- if (idle > (uint64_t)rack_min_probertt_hold) {
+ tot_idle = (cts - rack->r_ctl.rc_went_idle_time);
+ if (tot_idle > rack_min_probertt_hold) {
/* Count as a probe rtt */
if (rack->in_probe_rtt == 0) {
rack->r_ctl.rc_lower_rtt_us_cts = cts;
@@ -21537,7 +21538,6 @@
rack_exit_probertt(rack, cts);
}
}
- idle = 0;
}
if(rack->policer_detect_on) {
/*

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