hwmon: (nct6775) Use ARRAY_SIZE for loops where possible

This ensures that the loop iterations are correct even if/when
the number of elements in an array changes.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 8d0e4c47cca5..04ccfff44738 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -854,7 +854,7 @@ static void nct6775_init_fan_div(struct nct6775_data *data)
          * reading from the fan count register, even if it is not optimal.
          * We'll compute a better divider later on.
          */
-        for (i = 0; i < 3; i++) {
+        for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) {
                 if (!(data->has_fan & (1 << i)))
                         continue;
                 if (data->fan_div[i] == 0) {
@@ -877,7 +877,7 @@ static void nct6775_init_fan_common(struct device *dev,
          * If fan_min is not set (0), set it to 0xff to disable it. This
          * prevents the unnecessary warning when fanX_min is reported as 0.
          */
-        for (i = 0; i < 5; i++) {
+        for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
                 if (data->has_fan_min & (1 << i)) {
                         reg = nct6775_read_value(data, data->REG_FAN_MIN[i]);
                         if (!reg)
@@ -994,7 +994,7 @@ static void nct6775_update_pwm(struct device *dev)
                         data->pwm_weight_temp_sel[i] = 0;
 
                 /* Weight temp data */
-                for (j = 0; j < 3; j++) {
+                for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) {
                         data->weight_temp[j][i]
                           = nct6775_read_value(data,
                                                data->REG_WEIGHT_TEMP[j][i]);
@@ -1013,7 +1013,7 @@ static void nct6775_update_pwm_limits(struct device *dev)
                 if (!(data->has_pwm & (1 << i)))
                         continue;
 
-                for (j = 0; j < 3; j++) {
+                for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) {
                         data->fan_time[j][i] =
                           nct6775_read_value(data, data->REG_FAN_TIME[j][i]);
                 }
@@ -1095,7 +1095,7 @@ static struct nct6775_data *nct6775_update_device(struct device *dev)
                 }
 
                 /* Measured fan speeds and limits */
-                for (i = 0; i < 5; i++) {
+                for (i = 0; i < ARRAY_SIZE(data->rpm); i++) {
                         u16 reg;
 
                         if (!(data->has_fan & (1 << i)))
@@ -1121,7 +1121,7 @@ static struct nct6775_data *nct6775_update_device(struct device *dev)
                 for (i = 0; i < NUM_TEMP; i++) {
                         if (!(data->have_temp & (1 << i)))
                                 continue;
-                        for (j = 0; j < 4; j++) {
+                        for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) {
                                 if (data->reg_temp[j][i])
                                         data->temp[j][i]
                                           = nct6775_read_temp(data,
@@ -3983,7 +3983,7 @@ static int nct6775_resume(struct device *dev)
                                     data->in[i][2]);
         }
 
-        for (i = 0; i < 5; i++) {
+        for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
                 if (!(data->has_fan_min & (1 << i)))
                         continue;
 
@@ -3995,7 +3995,7 @@ static int nct6775_resume(struct device *dev)
                 if (!(data->have_temp & (1 << i)))
                         continue;
 
-                for (j = 1; j < 4; j++)
+                for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++)
                         if (data->reg_temp[j][i])
                                 nct6775_write_temp(data, data->reg_temp[j][i],
                                                    data->temp[j][i]);