diff mbox series

hwmon: (dell-smm) Pack the whole smm_regs struct

Message ID 20211221162805.104202-1-W_Armin@gmx.de (mailing list archive)
State Accepted
Headers show
Series hwmon: (dell-smm) Pack the whole smm_regs struct | expand

Commit Message

Armin Wolf Dec. 21, 2021, 4:28 p.m. UTC
When desiring the whole struct to be packed, __packed
should be applied to the whole struct, not just
every struct member except the first one.

Tested on a Dell Inspiron 3505.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
 drivers/hwmon/dell-smm-hwmon.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--
2.30.2

Comments

Guenter Roeck Dec. 21, 2021, 4:55 p.m. UTC | #1
On Tue, Dec 21, 2021 at 05:28:05PM +0100, Armin Wolf wrote:
> When desiring the whole struct to be packed, __packed
> should be applied to the whole struct, not just
> every struct member except the first one.
> 
> Tested on a Dell Inspiron 3505.
> 
> Signed-off-by: Armin Wolf <W_Armin@gmx.de>

Applied to hwmon-next.

Thanks,
Guenter

> ---
>  drivers/hwmon/dell-smm-hwmon.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> --
> 2.30.2
> 
> diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
> index d8c6e75bb374..d401f9acf450 100644
> --- a/drivers/hwmon/dell-smm-hwmon.c
> +++ b/drivers/hwmon/dell-smm-hwmon.c
> @@ -113,12 +113,12 @@ MODULE_PARM_DESC(fan_max, "Maximum configurable fan speed (default: autodetect)"
> 
>  struct smm_regs {
>  	unsigned int eax;
> -	unsigned int ebx __packed;
> -	unsigned int ecx __packed;
> -	unsigned int edx __packed;
> -	unsigned int esi __packed;
> -	unsigned int edi __packed;
> -};
> +	unsigned int ebx;
> +	unsigned int ecx;
> +	unsigned int edx;
> +	unsigned int esi;
> +	unsigned int edi;
> +} __packed;
> 
>  static const char * const temp_labels[] = {
>  	"CPU",
diff mbox series

Patch

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index d8c6e75bb374..d401f9acf450 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -113,12 +113,12 @@  MODULE_PARM_DESC(fan_max, "Maximum configurable fan speed (default: autodetect)"

 struct smm_regs {
 	unsigned int eax;
-	unsigned int ebx __packed;
-	unsigned int ecx __packed;
-	unsigned int edx __packed;
-	unsigned int esi __packed;
-	unsigned int edi __packed;
-};
+	unsigned int ebx;
+	unsigned int ecx;
+	unsigned int edx;
+	unsigned int esi;
+	unsigned int edi;
+} __packed;

 static const char * const temp_labels[] = {
 	"CPU",