OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

hwmon: (f71882fg) Fix fan_to/from_reg prototypes 

The RPM after conversion from / before conversion to a register value can be
much more than 65535 (up to 1500000), so putting this into an u16 can cause
overflows. This changes the functions to use an int to store / get RPM instead.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Hans de Goede 2009-01-07 16:37:31 +01:00 committed by Jean Delvare
parent 28ba858798
commit 2f650631b3
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/hwmon/f71882fg.c
View File

@ -810,12 +810,12 @@ static inline void superio_exit(int base)
outb(SIO_LOCK_KEY, base);
}
static inline u16 fan_from_reg(u16 reg)
static inline int fan_from_reg(u16 reg)
{
return reg ? (1500000 / reg) : 0;
}
static inline u16 fan_to_reg(u16 fan)
static inline u16 fan_to_reg(int fan)
{
return fan ? (1500000 / fan) : 0;
}