From 489392feb7dd784b6036dd6511c690e4df9726e3 Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Sun, 23 Oct 2022 10:43:06 -0400
Subject: [PATCH] bhyve: Make hda_ops function tables const

No functional change intended.

MFC after:	1 week
---
 usr.sbin/bhyve/hda_codec.c | 8 ++++----
 usr.sbin/bhyve/pci_hda.c   | 2 +-
 usr.sbin/bhyve/pci_hda.h   | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/usr.sbin/bhyve/hda_codec.c b/usr.sbin/bhyve/hda_codec.c
index 2cc875d3d2e2..cfab2e7f2547 100644
--- a/usr.sbin/bhyve/hda_codec.c
+++ b/usr.sbin/bhyve/hda_codec.c
@@ -465,7 +465,7 @@ hda_codec_init(struct hda_codec_inst *hci, const char *play,
 static int
 hda_codec_reset(struct hda_codec_inst *hci)
 {
-	struct hda_ops *hops = NULL;
+	const struct hda_ops *hops = NULL;
 	struct hda_codec_softc *sc = NULL;
 	struct hda_codec_stream *st = NULL;
 	int i;
@@ -500,8 +500,8 @@ hda_codec_reset(struct hda_codec_inst *hci)
 static int
 hda_codec_command(struct hda_codec_inst *hci, uint32_t cmd_data)
 {
+	const struct hda_ops *hops = NULL;
 	struct hda_codec_softc *sc = NULL;
-	struct hda_ops *hops = NULL;
 	uint8_t cad = 0, nid = 0;
 	uint16_t verb = 0, payload = 0;
 	uint32_t res = 0;
@@ -677,9 +677,9 @@ hda_codec_audio_output_nid(struct hda_codec_softc *sc, uint16_t verb,
 static void
 hda_codec_audio_output_do_transfer(void *arg)
 {
+	const struct hda_ops *hops = NULL;
 	struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 	struct hda_codec_inst *hci = NULL;
-	struct hda_ops *hops = NULL;
 	struct hda_codec_stream *st = NULL;
 	struct audio *aud = NULL;
 	int err;
@@ -738,9 +738,9 @@ hda_codec_audio_input_nid(struct hda_codec_softc *sc, uint16_t verb,
 static void
 hda_codec_audio_input_do_transfer(void *arg)
 {
+	const struct hda_ops *hops = NULL;
 	struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 	struct hda_codec_inst *hci = NULL;
-	struct hda_ops *hops = NULL;
 	struct hda_codec_stream *st = NULL;
 	struct audio *aud = NULL;
 	int err;
diff --git a/usr.sbin/bhyve/pci_hda.c b/usr.sbin/bhyve/pci_hda.c
index 88f58a5fcc66..dc6493868093 100644
--- a/usr.sbin/bhyve/pci_hda.c
+++ b/usr.sbin/bhyve/pci_hda.c
@@ -264,7 +264,7 @@ static const uint16_t hda_rirb_sizes[] = {
 	[HDAC_RIRBSIZE_RIRBSIZE_MASK]	= 0,
 };
 
-static struct hda_ops hops = {
+static const struct hda_ops hops = {
 	.signal		= hda_signal_state_change,
 	.response	= hda_response,
 	.transfer	= hda_transfer,
diff --git a/usr.sbin/bhyve/pci_hda.h b/usr.sbin/bhyve/pci_hda.h
index 50cbac82a1a6..a021aa9c28da 100644
--- a/usr.sbin/bhyve/pci_hda.h
+++ b/usr.sbin/bhyve/pci_hda.h
@@ -65,7 +65,7 @@ struct hda_codec_inst {
 	uint8_t cad;
 	struct hda_codec_class *codec;
 	struct hda_softc *hda;
-	struct hda_ops *hops;
+	const struct hda_ops *hops;
 	void *priv;
 };