From: Ben Gras <ben@minix3.org>
Date: Wed, 30 May 2007 16:13:52 +0000 (+0000)
Subject: Assume bios parameters are wrong/missing if any of the parameters are 0.
X-Git-Tag: v3.1.4~377
X-Git-Url: http://zhaoyanbai.com/repos/%22/xml/v3/zones/static/man.7.txt?a=commitdiff_plain;h=ad93329236ee4421856dab6da193c50609ba7d31;p=minix.git

Assume bios parameters are wrong/missing if any of the parameters are 0.
---

diff --git a/drivers/at_wini/at_wini.c b/drivers/at_wini/at_wini.c
index 5258a97ca..7c3f9ced1 100644
--- a/drivers/at_wini/at_wini.c
+++ b/drivers/at_wini/at_wini.c
@@ -1026,7 +1026,7 @@ PRIVATE int w_identify()
 #endif
 	}
 
-	if (wn->lcylinders == 0) {
+	if (wn->lcylinders == 0 || wn->lheads == 0 || wn->lsectors == 0) {
 		/* No BIOS parameters?  Then make some up. */
 		wn->lcylinders = wn->pcylinders;
 		wn->lheads = wn->pheads;