From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 9 May 2013 17:40:01 +0000 (-0700)
Subject: hwmon: (nct6775) Do not create non-existing attributes
X-Git-Tag: firefly_0821_release~3680^2~446^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=169c05cd54473ba4cc37bf4d22e7631395d14f68;p=firefly-linux-kernel-4.4.55.git

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>
---

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;
 		}