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authorAhmad Khalifa <ahmad@khalifa.ws>2023-09-18 21:47:22 +0300
committerGuenter Roeck <linux@roeck-us.net>2023-09-18 21:52:18 +0300
commit2dd1d862817b850787f4755c05d55e5aeb76dd08 (patch)
tree92b4a676fc19f7a7aeec436fc391a347b723999e /drivers/hwmon
parent0bb80ecc33a8fb5a682236443c1e740d5c917d1d (diff)
downloadlinux-2dd1d862817b850787f4755c05d55e5aeb76dd08.tar.xz
hwmon: (nct6775) Fix non-existent ALARM warning
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>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/nct6775-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c
index 02a71244fc3b..b5b81bd83bb1 100644
--- a/drivers/hwmon/nct6775-core.c
+++ b/drivers/hwmon/nct6775-core.c
@@ -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;