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hwmon: (nct6775) Fix non-existent ALARM warning

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Skip non-existent ALARM attribute to avoid a shift-out-of-bounds
dmesg warning.

Reported-by: Doug Smythies <dsmythies@telus.net>
Closes: https://lore.kernel.org/linux-hwmon/ZQVzdlHgWdFhOVyQ@debian.me/T/#mc69b690660eb50734a6b07506d74a119e0266f1b
Fixes: b7f1f7b2523a ("hwmon: (nct6775) Additional TEMP registers for nct6799")
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230918184722.2033225-1-ahmad@khalifa.ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Ahmad Khalifa 2023-09-18 19:47:22 +01:00 committed by Guenter Roeck
parent 0bb80ecc33
commit 2dd1d86281
1 changed files with 4 additions and 0 deletions
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4
drivers/hwmon/nct6775-core.c
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@ -1910,6 +1910,10 @@ static umode_t nct6775_in_is_visible(struct kobject *kobj,
struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int in = index / 5; /* voltage index */
int nr = index % 5; /* attribute index */
if (nr == 1 && data->ALARM_BITS[in] == -1)
return 0;
if (!(data->have_in & BIT(in)))
return 0;