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| author | Hans de Goede <hdegoede@redhat.com> | 2009-01-07 16:37:31 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-01-07 16:37:31 +0100 |
| commit | 2f650631b3710622666367474b5475ff81ba486e (patch) | |
| tree | ea98ba22d898179d8c8e75ea3344bbdf9fc75022 /drivers/hwmon | |
| parent | 28ba858798d5c70513cd8b9742841fd1bd49a074 (diff) | |
| download | linux-2f650631b3710622666367474b5475ff81ba486e.tar.gz linux-2f650631b3710622666367474b5475ff81ba486e.tar.bz2 linux-2f650631b3710622666367474b5475ff81ba486e.zip | |
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>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/f71882fg.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index a6dc3c7787f7..d867b377d4e9 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -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; } |