From: Jean Delvare <khali@linux-fr.org>
Date: Tue, 7 Feb 2006 16:53:32 +0000 (+0100)
Subject: [PATCH] it87: Fix oops on removal
X-Git-Tag: v2.6.16-rc4~99^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=be79c383254cd3eb50953d8c0a7cacdbf6db31c0;p=platform%2Fkernel%2Flinux-3.10.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>
---

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index e87d52c..d7a9401 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -1186,7 +1186,8 @@ 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);
 }