From b52bff80cab51c4fa842580fba2bca01f091147b Mon Sep 17 00:00:00 2001
From: kevlo <kevlo@openbsd.org>
Date: Mon, 9 Aug 2021 12:59:53 +0000
Subject: [PATCH] If an error during attach caused us to detach our resources,
 don't do anything on shutdown.

This fixes a panic that was reported by me on X1 Extreme Gen 1.

ok ratchov@
---
 sys/dev/pci/azalia.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sys/dev/pci/azalia.c b/sys/dev/pci/azalia.c
index 94c7efe30fc..81626e0cf44 100644
--- a/sys/dev/pci/azalia.c
+++ b/sys/dev/pci/azalia.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: azalia.c,v 1.263 2021/06/11 15:46:09 jsg Exp $	*/
+/*	$OpenBSD: azalia.c,v 1.264 2021/08/09 12:59:53 kevlo Exp $	*/
 /*	$NetBSD: azalia.c,v 1.20 2006/05/07 08:31:44 kent Exp $	*/
 
 /*-
@@ -738,6 +738,9 @@ azalia_shutdown(void *v)
 	azalia_t *az = (azalia_t *)v;
 	uint32_t gctl;
 
+	if (az->detached)
+		return;
+
 	/* disable unsolicited response */
 	gctl = AZ_READ_4(az, GCTL);
 	AZ_WRITE_4(az, GCTL, gctl & ~(HDA_GCTL_UNSOL));
-- 
2.20.1