* [PATCH] drm/arm/malidp: use sysfs_emit in show function callback
@ 2023-01-27 20:51 ` Deepak R Varma
0 siblings, 0 replies; 4+ messages in thread
From: Deepak R Varma @ 2023-01-27 20:51 UTC (permalink / raw)
To: Liviu Dudau, Brian Starkey, David Airlie, Daniel Vetter,
dri-devel, linux-kernel
Cc: Saurabh Singh Sengar, Praveen Kumar, Deepak R Varma
According to Documentation/filesystems/sysfs.rst, the show() callback
function of kobject attributes should strictly use sysfs_emit() instead
of sprintf() family functions.
Issue identified using the device_attr_show.cocci Coccinelle script.
Signed-off-by: Deepak R Varma <drv@mailo.com>
---
drivers/gpu/drm/arm/malidp_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 589c1c66a6dc..cf040e2e9efe 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -649,7 +649,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
struct drm_device *drm = dev_get_drvdata(dev);
struct malidp_drm *malidp = drm_to_malidp(drm);
- return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
+ return sysfs_emit(buf, "%08x\n", malidp->core_id);
}
static DEVICE_ATTR_RO(core_id);
--
2.34.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] drm/arm/malidp: use sysfs_emit in show function callback
@ 2023-01-27 20:51 ` Deepak R Varma
0 siblings, 0 replies; 4+ messages in thread
From: Deepak R Varma @ 2023-01-27 20:51 UTC (permalink / raw)
To: Liviu Dudau, Brian Starkey, David Airlie, Daniel Vetter,
dri-devel, linux-kernel
Cc: Praveen Kumar, Deepak R Varma, Saurabh Singh Sengar
According to Documentation/filesystems/sysfs.rst, the show() callback
function of kobject attributes should strictly use sysfs_emit() instead
of sprintf() family functions.
Issue identified using the device_attr_show.cocci Coccinelle script.
Signed-off-by: Deepak R Varma <drv@mailo.com>
---
drivers/gpu/drm/arm/malidp_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 589c1c66a6dc..cf040e2e9efe 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -649,7 +649,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
struct drm_device *drm = dev_get_drvdata(dev);
struct malidp_drm *malidp = drm_to_malidp(drm);
- return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
+ return sysfs_emit(buf, "%08x\n", malidp->core_id);
}
static DEVICE_ATTR_RO(core_id);
--
2.34.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] drm/arm/malidp: use sysfs_emit in show function callback
2023-01-27 20:51 ` Deepak R Varma
@ 2023-01-30 12:32 ` Liviu Dudau
-1 siblings, 0 replies; 4+ messages in thread
From: Liviu Dudau @ 2023-01-30 12:32 UTC (permalink / raw)
To: Deepak R Varma
Cc: Brian Starkey, David Airlie, Daniel Vetter, dri-devel,
linux-kernel, Praveen Kumar, Saurabh Singh Sengar
On Sat, Jan 28, 2023 at 02:21:26AM +0530, Deepak R Varma wrote:
> According to Documentation/filesystems/sysfs.rst, the show() callback
> function of kobject attributes should strictly use sysfs_emit() instead
> of sprintf() family functions.
> Issue identified using the device_attr_show.cocci Coccinelle script.
>
> Signed-off-by: Deepak R Varma <drv@mailo.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
I will push the change into drm-misc-next by the end of the week.
Best regards,
Liviu
> ---
> drivers/gpu/drm/arm/malidp_drv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> index 589c1c66a6dc..cf040e2e9efe 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.c
> +++ b/drivers/gpu/drm/arm/malidp_drv.c
> @@ -649,7 +649,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
> struct drm_device *drm = dev_get_drvdata(dev);
> struct malidp_drm *malidp = drm_to_malidp(drm);
>
> - return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
> + return sysfs_emit(buf, "%08x\n", malidp->core_id);
> }
>
> static DEVICE_ATTR_RO(core_id);
> --
> 2.34.1
>
>
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] drm/arm/malidp: use sysfs_emit in show function callback
@ 2023-01-30 12:32 ` Liviu Dudau
0 siblings, 0 replies; 4+ messages in thread
From: Liviu Dudau @ 2023-01-30 12:32 UTC (permalink / raw)
To: Deepak R Varma
Cc: Praveen Kumar, Saurabh Singh Sengar, linux-kernel, dri-devel
On Sat, Jan 28, 2023 at 02:21:26AM +0530, Deepak R Varma wrote:
> According to Documentation/filesystems/sysfs.rst, the show() callback
> function of kobject attributes should strictly use sysfs_emit() instead
> of sprintf() family functions.
> Issue identified using the device_attr_show.cocci Coccinelle script.
>
> Signed-off-by: Deepak R Varma <drv@mailo.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
I will push the change into drm-misc-next by the end of the week.
Best regards,
Liviu
> ---
> drivers/gpu/drm/arm/malidp_drv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> index 589c1c66a6dc..cf040e2e9efe 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.c
> +++ b/drivers/gpu/drm/arm/malidp_drv.c
> @@ -649,7 +649,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
> struct drm_device *drm = dev_get_drvdata(dev);
> struct malidp_drm *malidp = drm_to_malidp(drm);
>
> - return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
> + return sysfs_emit(buf, "%08x\n", malidp->core_id);
> }
>
> static DEVICE_ATTR_RO(core_id);
> --
> 2.34.1
>
>
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-01-30 12:32 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2023-01-27 20:51 [PATCH] drm/arm/malidp: use sysfs_emit in show function callback Deepak R Varma
2023-01-27 20:51 ` Deepak R Varma
2023-01-30 12:32 ` Liviu Dudau
2023-01-30 12:32 ` Liviu Dudau
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