From: Guenter Roeck <linux@roeck-us.net>
Date: Wed, 30 Jul 2014 03:48:59 +0000 (-0700)
Subject: hwmon: (lm78) Fix overflow problems seen when writing large temperature limits
X-Git-Tag: v3.2.64~200
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48371f90fbbc3aec891825ad3242d7ef723802b7;p=pandora-kernel.git

hwmon: (lm78) Fix overflow problems seen when writing large temperature limits

commit 1074d683a51f1aded3562add9ef313e75d557327 upstream.

On platforms with sizeof(int) < sizeof(long), writing a temperature
limit larger than MAXINT will result in unpredictable limit values
written to the chip. Avoid auto-conversion from long to int to fix
the problem.

Cc: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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