[src/trunk]: src/sys/net Ensure that all queues passed to ifq_enqueue2() have...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a7b4899f15e2
branches:  trunk
changeset: 369671:a7b4899f15e2
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Aug 27 19:19:10 2022 +0000

description:
Ensure that all queues passed to ifq_enqueue2() have a valid ifq_lock.

diffstat:

 sys/net/if_sl.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r f9892cb1cdcb -r a7b4899f15e2 sys/net/if_sl.c
--- a/sys/net/if_sl.c   Sat Aug 27 19:17:08 2022 +0000
+++ b/sys/net/if_sl.c   Sat Aug 27 19:19:10 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_sl.c,v 1.133 2022/08/27 19:17:08 thorpej Exp $      */
+/*     $NetBSD: if_sl.c,v 1.134 2022/08/27 19:19:10 thorpej Exp $      */
 
 /*
  * Copyright (c) 1987, 1989, 1992, 1993
@@ -60,7 +60,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_sl.c,v 1.133 2022/08/27 19:17:08 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_sl.c,v 1.134 2022/08/27 19:19:10 thorpej Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -270,6 +270,7 @@
        sc->sc_if.if_output = sloutput;
        sc->sc_if.if_dlt = DLT_SLIP;
        IFQ_SET_MAXLEN(&sc->sc_fastq, 32);
+       IFQ_LOCK_INIT(&sc->sc_fastq);
        IFQ_SET_READY(&sc->sc_if.if_snd);
        if_attach(&sc->sc_if);
        if_alloc_sadl(&sc->sc_if);
@@ -291,6 +292,8 @@
        bpf_detach(ifp);
        if_detach(ifp);
 
+       IFQ_LOCK_DESTROY(&sc->sc_fastq);
+
        free(sc, M_DEVBUF);
        return 0;
 }