* [PATCH][next] hwmon: w83627ehf: make the read-only arrays 'bit' static const
@ 2025-07-14 15:55 Colin Ian King
2025-07-16 14:40 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Colin Ian King @ 2025-07-14 15:55 UTC (permalink / raw)
To: Jean Delvare, Guenter Roeck, linux-hwmon; +Cc: kernel-janitors, linux-kernel
Don't populate the read-only arrays 'bit' on the stack at run time,
instead make them static const.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
drivers/hwmon/w83627ehf.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 7d7d70afde65..a23edd35c19f 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1448,7 +1448,8 @@ w83627ehf_do_read_temp(struct w83627ehf_data *data, u32 attr,
return 0;
case hwmon_temp_alarm:
if (channel < 3) {
- int bit[] = { 4, 5, 13 };
+ static const int bit[] = { 4, 5, 13 };
+
*val = (data->alarms >> bit[channel]) & 1;
return 0;
}
@@ -1479,7 +1480,8 @@ w83627ehf_do_read_in(struct w83627ehf_data *data, u32 attr,
return 0;
case hwmon_in_alarm:
if (channel < 10) {
- int bit[] = { 0, 1, 2, 3, 8, 21, 20, 16, 17, 19 };
+ static const int bit[] = { 0, 1, 2, 3, 8, 21, 20, 16, 17, 19 };
+
*val = (data->alarms >> bit[channel]) & 1;
return 0;
}
@@ -1507,7 +1509,8 @@ w83627ehf_do_read_fan(struct w83627ehf_data *data, u32 attr,
return 0;
case hwmon_fan_alarm:
if (channel < 5) {
- int bit[] = { 6, 7, 11, 10, 23 };
+ static const int bit[] = { 6, 7, 11, 10, 23 };
+
*val = (data->alarms >> bit[channel]) & 1;
return 0;
}
--
2.50.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH][next] hwmon: w83627ehf: make the read-only arrays 'bit' static const
2025-07-14 15:55 [PATCH][next] hwmon: w83627ehf: make the read-only arrays 'bit' static const Colin Ian King
@ 2025-07-16 14:40 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2025-07-16 14:40 UTC (permalink / raw)
To: Colin Ian King; +Cc: Jean Delvare, linux-hwmon, kernel-janitors, linux-kernel
On Mon, Jul 14, 2025 at 04:55:05PM +0100, Colin Ian King wrote:
> Don't populate the read-only arrays 'bit' on the stack at run time,
> instead make them static const.
>
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Applied.
Guenter
^ permalink raw reply [flat|nested] 2+ messages in thread
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