git: 1781324db2bc - main - TCP BBR: remove code which is never executed

From: Michael Tuexen <tuexen_at_FreeBSD.org>
Date: Wed, 01 Jan 2025 17:41:34 UTC
The branch main has been updated by tuexen:

URL: https://cgit.FreeBSD.org/src/commit/?id=1781324db2bc22a971a33c5a063036b2775055c6

commit 1781324db2bc22a971a33c5a063036b2775055c6
Author:     Michael Tuexen <tuexen@FreeBSD.org>
AuthorDate: 2025-01-01 17:39:23 +0000
Commit:     Michael Tuexen <tuexen@FreeBSD.org>
CommitDate: 2025-01-01 17:39:23 +0000

    TCP BBR: remove code which is never executed
    
    USEC_2_TICKS() returns at least 1.
    
    Reviewed by:            rrs
    CID:                    1523775
    MFC after:              1 week
    Sponsored by:           Netflix, Inc.
    Differential Revision:  https://reviews.freebsd.org/D4827
---
 sys/netinet/tcp_stacks/bbr.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c
index 3c5864007986..c46a1711c34a 100644
--- a/sys/netinet/tcp_stacks/bbr.c
+++ b/sys/netinet/tcp_stacks/bbr.c
@@ -6329,8 +6329,6 @@ tcp_bbr_xmit_timer_commit(struct tcp_bbr *bbr, struct tcpcb *tp, uint32_t cts)
 	}
 	/* Round it up */
 	rtt_ticks = USEC_2_TICKS((rtt + (USECS_IN_MSEC - 1)));
-	if (rtt_ticks == 0)
-		rtt_ticks = 1;
 	if (tp->t_srtt != 0) {
 		/*
 		 * srtt is stored as fixed point with 5 bits after the