[src/trunk]: src/sys/arch/arm/gemini gpn_ifstart(): Replace "IF_DEQUEUE() -> ...

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

details:   https://anonhg.NetBSD.org/src/rev/051c8ab4b3d9
branches:  trunk
changeset: 369514:051c8ab4b3d9
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Aug 20 18:36:16 2022 +0000

description:
gpn_ifstart(): Replace "IF_DEQUEUE() -> IF_PREPEND() on failure" with
"IF_POLL() -> IF_DEQUEUE() on success".

diffstat:

 sys/arch/arm/gemini/if_gpn.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (39 lines):

diff -r 2427f48f7a95 -r 051c8ab4b3d9 sys/arch/arm/gemini/if_gpn.c
--- a/sys/arch/arm/gemini/if_gpn.c      Sat Aug 20 18:35:50 2022 +0000
+++ b/sys/arch/arm/gemini/if_gpn.c      Sat Aug 20 18:36:16 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_gpn.c,v 1.14 2020/02/01 21:45:11 thorpej Exp $ */
+/* $NetBSD: if_gpn.c,v 1.15 2022/08/20 18:36:16 thorpej Exp $ */
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -32,7 +32,7 @@
 
 #include "opt_gemini.h"
 
-__KERNEL_RCSID(0, "$NetBSD: if_gpn.c,v 1.14 2020/02/01 21:45:11 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_gpn.c,v 1.15 2022/08/20 18:36:16 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -363,7 +363,7 @@
                        break;
                }
 
-               IF_DEQUEUE(&ifp->if_snd, m);
+               IF_POLL(&ifp->if_snd, m);
                if (!m)
                        break;
 
@@ -396,10 +396,10 @@
                 */
                if (sc->sc_free < count
                    || sc->sc_txactive + count > MAX_TXACTIVE) {
-                       IF_PREPEND(&ifp->if_snd, m);
                        ifp->if_flags |= IFF_OACTIVE;
                        return;
                }
+               IF_DEQUEUE(&ifp->if_snd, m);
 
                bpf_mtap(ifp, m, BPF_D_OUT);
 #ifdef GPNDEBUG