hwmon: (applesmc) Fix checkpatch errors and fix value range checks

This patch fixes all checkpatch errors and most of the checkpatch warnings.
It also fixes the range check in applesmc_store_fan_speed().

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 16 insertions, 18 deletions

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 81792ca47175..ce0372f0615e 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 }
 };