hwmon: (nct6775) Do not create non-existing attributes

Overtemperature and hysteresis registers only exist for primary
temperature registers, not for alternates, so do not assign
those registers when initializing alternates.

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

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index f43f5e571db9..04638aee9039 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -3705,8 +3705,10 @@ static int nct6775_probe(struct platform_device *pdev)
                         data->have_temp |= 1 << i;
                         data->have_temp_fixed |= 1 << i;
                         data->reg_temp[0][i] = reg_temp_alternate[i];
-                        data->reg_temp[1][i] = reg_temp_over[i];
-                        data->reg_temp[2][i] = reg_temp_hyst[i];
+                        if (i < num_reg_temp) {
+                                data->reg_temp[1][i] = reg_temp_over[i];
+                                data->reg_temp[2][i] = reg_temp_hyst[i];
+                        }
                         data->temp_src[i] = i + 1;
                         continue;
                 }