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* [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c
@ 2023-07-26 14:16 Srinivasan Shanmugam
  2023-07-26 18:30 ` Alex Deucher
  2023-07-27  9:30 ` Christian König
  0 siblings, 2 replies; 3+ messages in thread
From: Srinivasan Shanmugam @ 2023-07-26 14:16 UTC (permalink / raw)
  To: Christian König, Alex Deucher, Guchun Chen
  Cc: Srinivasan Shanmugam, amd-gfx

Replace the error code from 'ENOSYS' to 'EOPNOTSUPP' for unimplemented
radeon_gem_pread_ioctl & radeon_gem_pwrite_ioctl

Fixes the following:

WARNING: ENOSYS means 'invalid syscall nr' and nothing else.

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
---
 drivers/gpu/drm/radeon/radeon_gem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index d0119c5f7eb3..358d19242f4b 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -316,7 +316,7 @@ int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
 {
 	/* TODO: implement */
 	DRM_ERROR("unimplemented %s\n", __func__);
-	return -ENOSYS;
+	return -EOPNOTSUPP;
 }
 
 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
@@ -324,7 +324,7 @@ int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 {
 	/* TODO: implement */
 	DRM_ERROR("unimplemented %s\n", __func__);
-	return -ENOSYS;
+	return -EOPNOTSUPP;
 }
 
 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c
  2023-07-26 14:16 [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c Srinivasan Shanmugam
@ 2023-07-26 18:30 ` Alex Deucher
  2023-07-27  9:30 ` Christian König
  1 sibling, 0 replies; 3+ messages in thread
From: Alex Deucher @ 2023-07-26 18:30 UTC (permalink / raw)
  To: Srinivasan Shanmugam
  Cc: Alex Deucher, amd-gfx, Christian König, Guchun Chen

Acked-by: Alex Deucher <alexander.deucher@amd.com>

On Wed, Jul 26, 2023 at 10:17 AM Srinivasan Shanmugam
<srinivasan.shanmugam@amd.com> wrote:
>
> Replace the error code from 'ENOSYS' to 'EOPNOTSUPP' for unimplemented
> radeon_gem_pread_ioctl & radeon_gem_pwrite_ioctl
>
> Fixes the following:
>
> WARNING: ENOSYS means 'invalid syscall nr' and nothing else.
>
> Cc: Christian König <christian.koenig@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
> ---
>  drivers/gpu/drm/radeon/radeon_gem.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
> index d0119c5f7eb3..358d19242f4b 100644
> --- a/drivers/gpu/drm/radeon/radeon_gem.c
> +++ b/drivers/gpu/drm/radeon/radeon_gem.c
> @@ -316,7 +316,7 @@ int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
>  {
>         /* TODO: implement */
>         DRM_ERROR("unimplemented %s\n", __func__);
> -       return -ENOSYS;
> +       return -EOPNOTSUPP;
>  }
>
>  int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
> @@ -324,7 +324,7 @@ int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
>  {
>         /* TODO: implement */
>         DRM_ERROR("unimplemented %s\n", __func__);
> -       return -ENOSYS;
> +       return -EOPNOTSUPP;
>  }
>
>  int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
> --
> 2.25.1
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c
  2023-07-26 14:16 [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c Srinivasan Shanmugam
  2023-07-26 18:30 ` Alex Deucher
@ 2023-07-27  9:30 ` Christian König
  1 sibling, 0 replies; 3+ messages in thread
From: Christian König @ 2023-07-27  9:30 UTC (permalink / raw)
  To: Srinivasan Shanmugam, Alex Deucher, Guchun Chen; +Cc: amd-gfx

Am 26.07.23 um 16:16 schrieb Srinivasan Shanmugam:
> Replace the error code from 'ENOSYS' to 'EOPNOTSUPP' for unimplemented
> radeon_gem_pread_ioctl & radeon_gem_pwrite_ioctl
>
> Fixes the following:
>
> WARNING: ENOSYS means 'invalid syscall nr' and nothing else.

Mhm, it might be better to just completely remove those.

They also allow an authorized client to spam the system logs.

Christian.

>
> Cc: Christian König <christian.koenig@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
> ---
>   drivers/gpu/drm/radeon/radeon_gem.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
> index d0119c5f7eb3..358d19242f4b 100644
> --- a/drivers/gpu/drm/radeon/radeon_gem.c
> +++ b/drivers/gpu/drm/radeon/radeon_gem.c
> @@ -316,7 +316,7 @@ int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
>   {
>   	/* TODO: implement */
>   	DRM_ERROR("unimplemented %s\n", __func__);
> -	return -ENOSYS;
> +	return -EOPNOTSUPP;
>   }
>   
>   int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
> @@ -324,7 +324,7 @@ int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
>   {
>   	/* TODO: implement */
>   	DRM_ERROR("unimplemented %s\n", __func__);
> -	return -ENOSYS;
> +	return -EOPNOTSUPP;
>   }
>   
>   int radeon_gem_create_ioctl(struct drm_device *dev, void *data,


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-07-27  9:30 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-07-26 14:16 [PATCH] drm/radeon: Fix ENOSYS with better fitting error codes in radeon_gem.c Srinivasan Shanmugam
2023-07-26 18:30 ` Alex Deucher
2023-07-27  9:30 ` Christian König

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