[PATCH linux dev-4.10 3/3] hwmon: (w83773g) Fix fault detection and reporting
Lei YU
mine260309 at gmail.com
Wed Jan 17 15:04:02 AEDT 2018
From: Guenter Roeck <linux at roeck-us.net>
Smatch reports:
drivers/hwmon/w83773g.c:105
get_fault() warn: shift has higher precedence than mask
Code analysis shows that the code is indeed wrong.
Fix it, and while we are at it, drop unnecessary typecast.
Fixes: 86a10c802362 ("hwmon: Add W83773G driver")
Cc: Lei YU <mine260309 at gmail.com>
Reviewed-by: Lei YU <mine260309 at gmail.com>
Signed-off-by: Guenter Roeck <linux at roeck-us.net>
---
drivers/hwmon/w83773g.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/w83773g.c b/drivers/hwmon/w83773g.c
index 0b97c28..e858093 100644
--- a/drivers/hwmon/w83773g.c
+++ b/drivers/hwmon/w83773g.c
@@ -102,7 +102,7 @@ static int get_fault(struct regmap *regmap, int index, long *val)
if (ret < 0)
return ret;
- *val = (u8)regval & 0x04 >> 2;
+ *val = (regval & 0x04) >> 2;
return 0;
}
--
1.9.1
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