From: Jean Delvare <khali@linux-fr.org>
Date: Sun, 19 Feb 2006 14:18:04 +0000 (+0100)
Subject: [PATCH] it87: Fix oops on removal
X-Git-Tag: v2.6.15.5~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8c4e1c4d248f300c2ab6d6b5e9e1b78ebb212fd;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] it87: Fix oops on removal

Fix an oops on it87 module removal when no supported hardware was
found.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index a61f5d00f10a2..4702c874c4077 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -1180,7 +1180,8 @@ static int __init sm_it87_init(void)
 
 static void __exit sm_it87_exit(void)
 {
-	i2c_isa_del_driver(&it87_isa_driver);
+	if (isa_address)
+		i2c_isa_del_driver(&it87_isa_driver);
 	i2c_del_driver(&it87_driver);
 }