git: ac863fd8298c - stable/13 - TCP BBR: remove assignments without effect

The branch stable/13 has been updated by tuexen:

URL: https://cgit.FreeBSD.org/src/commit/?id=ac863fd8298cc1d58a88c0a668845b2c87c140b8

commit ac863fd8298cc1d58a88c0a668845b2c87c140b8
Author:     Michael Tuexen <tuexen@FreeBSD.org>
AuthorDate: 2024-12-30 14:57:11 +0000
Commit:     Michael Tuexen <tuexen@FreeBSD.org>
CommitDate: 2025-02-05 19:22:20 +0000

    TCP BBR: remove assignments without effect
    
    No functional change intended.
    
    Reviewed by:            rrs
    CID:                    1523772
    CID:                    1523777
    Sponsored by:           Netflix, Inc.
    Differential Revision:  https://reviews.freebsd.org/D48215
    
    (cherry picked from commit 895347fc10c5b06bddadcc2937fdcf298c7e1114)
---
 sys/netinet/tcp_stacks/bbr.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/netinet/tcp_stacks/bbr.c b/sys/netinet/tcp_stacks/bbr.c
index 5ebf82eb97d9..7faeadabf203 100644
--- a/sys/netinet/tcp_stacks/bbr.c
+++ b/sys/netinet/tcp_stacks/bbr.c
@@ -7358,11 +7358,9 @@ bbr_log_ack(struct tcpcb *tp, struct tcpopt *to, struct tcphdr *th,
 	p_maxseg = min(bbr->r_ctl.rc_pace_max_segs, maxseg);
 	th_ack = th->th_ack;
 	if (SEQ_GT(th_ack, tp->snd_una)) {
-		acked = th_ack - tp->snd_una;
 		bbr_log_progress_event(bbr, tp, ticks, PROGRESS_UPDATE, __LINE__);
 		bbr->rc_tp->t_acktime = ticks;
-	} else
-		acked = 0;
+	}
 	if (SEQ_LEQ(th_ack, tp->snd_una)) {
 		/* Only sent here for sack processing */
 		goto proc_sack;