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Commit 2f650631 authored by Hans de Goede's avatar Hans de Goede Committed by Jean Delvare
Browse files

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: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent 28ba8587

drivers/hwmon/f71882fg.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}