From 72684fc0eaeb69bb25ab042c1c516f567235ad95 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 23 May 2002 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2002-05-23

---
 port/devaudio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/port/devaudio.c b/port/devaudio.c
index 340148f43c5d4df605ff444331466cd3c883fe91..e01cdf21d8c61eb6cc19623d2c66a8e835e43aec 100644
--- a/port/devaudio.c
+++ b/port/devaudio.c
@@ -733,7 +733,9 @@ audioinit(void)
 	sbconf.irq = IrqAUDIO;
 	if(isaconfig("audio", 0, &sbconf) == 0)
 		return;
-	if(cistrcmp(sbconf.type, "sb16") != 0 && cistrcmp(sbconf.type, "ess1688") != 0)
+	if(sbconf.type == nil ||
+		(cistrcmp(sbconf.type, "sb16") != 0 && 
+		 cistrcmp(sbconf.type, "ess1688") != 0))
 		return;
 	switch(sbconf.port){
 	case 0x220: