From: Evgeniy Polyakov <zbr@ioremap.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Ian Dall <ian@beware.dropbear.id.au>
Subject: [1/1] w1: w1 temp calculation overflow fix.
Date: Tue, 10 Feb 2009 00:42:17 +0300 [thread overview]
Message-ID: <20090209214217.GA14958@ioremap.net> (raw)
Signed-off-by: Ian Dall <ian@beware.dropbear.id.au>
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index 2c8dff9..1ed3d55 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -115,7 +115,7 @@ static struct w1_therm_family_converter w1_therm_families[] = {
static inline int w1_DS18B20_convert_temp(u8 rom[9])
{
- s16 t = (rom[1] << 8) | rom[0];
+ int t = ((s16)rom[1] << 8) | rom[0];
t = t*1000/16;
return t;
}
--
Evgeniy Polyakov
next reply other threads:[~2009-02-09 21:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-09 21:42 Evgeniy Polyakov [this message]
2009-02-09 21:48 ` [1/1] w1: w1 temp calculation overflow fix Harvey Harrison
2009-02-09 22:09 ` Evgeniy Polyakov
2009-02-09 21:56 ` Andrew Morton
2009-02-09 22:08 ` Evgeniy Polyakov
2009-02-09 22:48 ` Andrew Morton
2009-02-09 23:31 ` Andrew Morton
2009-02-10 8:54 ` Evgeniy Polyakov
2009-02-11 6:41 ` Ian Dall
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