linux-kernel - [08/93] hwmon: (adt7462) Wrong ADT7462_VOLT

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Message-Id: <20100219163231.855878717@kvm.kroah.org>
Date:	Fri, 19 Feb 2010 08:29:01 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Ray Copeland <ray.copeland@...ius.com>,
	"Darrick J. Wong" <djwong@...ibm.com>,
	Jean Delvare <khali@...ux-fr.org>
Subject: [08/93] hwmon: (adt7462) Wrong ADT7462_VOLT_COUNT

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Ray Copeland <ray.copeland@...ius.com>

commit 85f8d3e5faea8bd36c3e5196f8334f7db45e19b2 upstream.

The #define ADT7462_VOLT_COUNT is wrong, it should be 13 not 12. All the
for loops that use this as a limit count are of the typical form, "for
(n = 0; n < ADT7462_VOLT_COUNT; n++)", so to loop through all voltages
w/o missing the last one it is necessary for the count to be one greater
than it is.  (Specifically, you will miss the +1.5V 3GPIO input with count
= 12 vs. 13.)

Signed-off-by: Ray Copeland <ray.copeland@...ius.com>
Acked-by: "Darrick J. Wong" <djwong@...ibm.com>
Signed-off-by: Jean Delvare <khali@...ux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/hwmon/adt7462.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -182,7 +182,7 @@ I2C_CLIENT_INSMOD_1(adt7462);
  *
  * Some, but not all, of these voltages have low/high limits.
  */
-#define ADT7462_VOLT_COUNT	12
+#define ADT7462_VOLT_COUNT	13

 #define ADT7462_VENDOR		0x41
 #define ADT7462_DEVICE		0x62

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