diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/applesmc.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 81792ca4717..ce0372f0615 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -174,9 +174,8 @@ static int __wait_status(u8 val) for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) { udelay(us); - if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) { + if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) return 0; - } } return -EIO; @@ -431,7 +430,7 @@ static int applesmc_has_key(const char *key, bool *value) /* * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z). */ -static int applesmc_read_motion_sensor(int index, s16* value) +static int applesmc_read_motion_sensor(int index, s16 *value) { u8 buffer[2]; int ret; @@ -779,14 +778,12 @@ static ssize_t applesmc_store_fan_speed(struct device *dev, const char *sysfsbuf, size_t count) { int ret; - u32 speed; + unsigned long speed; char newkey[5]; u8 buffer[2]; - speed = simple_strtoul(sysfsbuf, NULL, 10); - - if (speed > 0x4000) /* Bigger than a 14-bit value */ - return -EINVAL; + if (strict_strtoul(sysfsbuf, 10, &speed) < 0 || speed >= 0x4000) + return -EINVAL; /* Bigger than a 14-bit value */ sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr)); @@ -822,10 +819,11 @@ static ssize_t applesmc_store_fan_manual(struct device *dev, { int ret; u8 buffer[2]; - u32 input; + unsigned long input; u16 val; - input = simple_strtoul(sysfsbuf, NULL, 10); + if (strict_strtoul(sysfsbuf, 10, &input) < 0) + return -EINVAL; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); val = (buffer[0] << 8 | buffer[1]); @@ -1198,24 +1196,24 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, }, { applesmc_dmi_match, "Apple MacBook Pro", { - DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), - DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") }, + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro") }, }, { applesmc_dmi_match, "Apple MacBook", { - DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), - DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook") }, }, { applesmc_dmi_match, "Apple Macmini", { - DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), - DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "Macmini") }, }, { applesmc_dmi_match, "Apple MacPro", { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacPro") }, }, { applesmc_dmi_match, "Apple iMac", { - DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), - DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac") }, }, { .ident = NULL } }; |