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* [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28  9:29 ` Jiapeng Chong
  0 siblings, 0 replies; 9+ messages in thread
From: Jiapeng Chong @ 2021-05-28  9:29 UTC (permalink / raw)
  To: alexander.deucher
  Cc: christian.koenig, airlied, daniel, sumit.semwal, amd-gfx,
	dri-devel, linux-kernel, linux-media, linaro-mm-sig,
	Jiapeng Chong

In the function amdgpu_uvd_cs_msg(), every branch in the switch
statement will have a return, so the code below the switch statement
will not be executed.

Eliminate the follow smatch warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
ignoring unreachable code.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
Changes in v2:
  -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/

 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index c6dbc08..35f6874 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 
 	default:
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-		return -EINVAL;
 	}
-	BUG();
+
 	return -EINVAL;
 }
 
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread
* [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28  9:29 ` Jiapeng Chong
  0 siblings, 0 replies; 9+ messages in thread
From: Jiapeng Chong @ 2021-05-28  9:29 UTC (permalink / raw)
  To: alexander.deucher
  Cc: Jiapeng Chong, airlied, linux-kernel, dri-devel, linaro-mm-sig,
	amd-gfx, christian.koenig, linux-media

In the function amdgpu_uvd_cs_msg(), every branch in the switch
statement will have a return, so the code below the switch statement
will not be executed.

Eliminate the follow smatch warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
ignoring unreachable code.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
Changes in v2:
  -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/

 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index c6dbc08..35f6874 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 
 	default:
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-		return -EINVAL;
 	}
-	BUG();
+
 	return -EINVAL;
 }
 
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread
* [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28  9:29 ` Jiapeng Chong
  0 siblings, 0 replies; 9+ messages in thread
From: Jiapeng Chong @ 2021-05-28  9:29 UTC (permalink / raw)
  To: alexander.deucher
  Cc: Jiapeng Chong, airlied, linux-kernel, dri-devel, sumit.semwal,
	linaro-mm-sig, amd-gfx, daniel, christian.koenig, linux-media

In the function amdgpu_uvd_cs_msg(), every branch in the switch
statement will have a return, so the code below the switch statement
will not be executed.

Eliminate the follow smatch warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
ignoring unreachable code.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
Changes in v2:
  -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/

 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index c6dbc08..35f6874 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 
 	default:
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-		return -EINVAL;
 	}
-	BUG();
+
 	return -EINVAL;
 }
 
-- 
1.8.3.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply related	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
  2021-05-28  9:29 ` Jiapeng Chong
  (?)
@ 2021-05-28 12:18   ` Christian König
  -1 siblings, 0 replies; 9+ messages in thread
From: Christian König @ 2021-05-28 12:18 UTC (permalink / raw)
  To: Jiapeng Chong, alexander.deucher
  Cc: airlied, daniel, sumit.semwal, amd-gfx, dri-devel, linux-kernel,
	linux-media, linaro-mm-sig

Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> In the function amdgpu_uvd_cs_msg(), every branch in the switch
> statement will have a return, so the code below the switch statement
> will not be executed.
>
> Eliminate the follow smatch warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> ignoring unreachable code.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

Reviewed-by: Christian König <christian.koenig@amd.com>

> ---
> Changes in v2:
>    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index c6dbc08..35f6874 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
>   
>   	default:
>   		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> -		return -EINVAL;
>   	}
> -	BUG();
> +
>   	return -EINVAL;
>   }
>   


^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28 12:18   ` Christian König
  0 siblings, 0 replies; 9+ messages in thread
From: Christian König @ 2021-05-28 12:18 UTC (permalink / raw)
  To: Jiapeng Chong, alexander.deucher
  Cc: airlied, linux-kernel, dri-devel, linaro-mm-sig, amd-gfx, linux-media

Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> In the function amdgpu_uvd_cs_msg(), every branch in the switch
> statement will have a return, so the code below the switch statement
> will not be executed.
>
> Eliminate the follow smatch warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> ignoring unreachable code.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

Reviewed-by: Christian König <christian.koenig@amd.com>

> ---
> Changes in v2:
>    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index c6dbc08..35f6874 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
>   
>   	default:
>   		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> -		return -EINVAL;
>   	}
> -	BUG();
> +
>   	return -EINVAL;
>   }
>   


^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28 12:18   ` Christian König
  0 siblings, 0 replies; 9+ messages in thread
From: Christian König @ 2021-05-28 12:18 UTC (permalink / raw)
  To: Jiapeng Chong, alexander.deucher
  Cc: airlied, linux-kernel, dri-devel, linaro-mm-sig, amd-gfx, daniel,
	sumit.semwal, linux-media

Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> In the function amdgpu_uvd_cs_msg(), every branch in the switch
> statement will have a return, so the code below the switch statement
> will not be executed.
>
> Eliminate the follow smatch warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> ignoring unreachable code.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

Reviewed-by: Christian König <christian.koenig@amd.com>

> ---
> Changes in v2:
>    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index c6dbc08..35f6874 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
>   
>   	default:
>   		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> -		return -EINVAL;
>   	}
> -	BUG();
> +
>   	return -EINVAL;
>   }
>   

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
  2021-05-28 12:18   ` Christian König
  (?)
@ 2021-06-02  1:57     ` Alex Deucher
  -1 siblings, 0 replies; 9+ messages in thread
From: Alex Deucher @ 2021-06-02  1:57 UTC (permalink / raw)
  To: Christian König
  Cc: Jiapeng Chong, Deucher, Alexander, Dave Airlie, LKML,
	Maling list - DRI developers,
	moderated list:DMA BUFFER SHARING FRAMEWORK, amd-gfx list,
	Daniel Vetter, Sumit Semwal, linux-media

Applied.  Thanks!

On Fri, May 28, 2021 at 8:18 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> > In the function amdgpu_uvd_cs_msg(), every branch in the switch
> > statement will have a return, so the code below the switch statement
> > will not be executed.
> >
> > Eliminate the follow smatch warning:
> >
> > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> > ignoring unreachable code.
> >
> > Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> > Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
>
> Reviewed-by: Christian König <christian.koenig@amd.com>
>
> > ---
> > Changes in v2:
> >    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
> >
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
> >   1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > index c6dbc08..35f6874 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
> >
> >       default:
> >               DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> > -             return -EINVAL;
> >       }
> > -     BUG();
> > +
> >       return -EINVAL;
> >   }
> >
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
@ 2021-06-02  1:57     ` Alex Deucher
  0 siblings, 0 replies; 9+ messages in thread
From: Alex Deucher @ 2021-06-02  1:57 UTC (permalink / raw)
  To: Christian König
  Cc: Jiapeng Chong, Dave Airlie, LKML, Maling list - DRI developers,
	moderated list:DMA BUFFER SHARING FRAMEWORK, amd-gfx list,
	Deucher, Alexander, linux-media

Applied.  Thanks!

On Fri, May 28, 2021 at 8:18 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> > In the function amdgpu_uvd_cs_msg(), every branch in the switch
> > statement will have a return, so the code below the switch statement
> > will not be executed.
> >
> > Eliminate the follow smatch warning:
> >
> > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> > ignoring unreachable code.
> >
> > Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> > Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
>
> Reviewed-by: Christian König <christian.koenig@amd.com>
>
> > ---
> > Changes in v2:
> >    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
> >
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
> >   1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > index c6dbc08..35f6874 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
> >
> >       default:
> >               DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> > -             return -EINVAL;
> >       }
> > -     BUG();
> > +
> >       return -EINVAL;
> >   }
> >
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v3] amdgpu: remove unreachable code
@ 2021-06-02  1:57     ` Alex Deucher
  0 siblings, 0 replies; 9+ messages in thread
From: Alex Deucher @ 2021-06-02  1:57 UTC (permalink / raw)
  To: Christian König
  Cc: Jiapeng Chong, Dave Airlie, LKML, Maling list - DRI developers,
	moderated list:DMA BUFFER SHARING FRAMEWORK, amd-gfx list,
	Daniel Vetter, Deucher, Alexander, Sumit Semwal, linux-media

Applied.  Thanks!

On Fri, May 28, 2021 at 8:18 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
> > In the function amdgpu_uvd_cs_msg(), every branch in the switch
> > statement will have a return, so the code below the switch statement
> > will not be executed.
> >
> > Eliminate the follow smatch warning:
> >
> > drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> > ignoring unreachable code.
> >
> > Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> > Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
>
> Reviewed-by: Christian König <christian.koenig@amd.com>
>
> > ---
> > Changes in v2:
> >    -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/
> >
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +--
> >   1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > index c6dbc08..35f6874 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> > @@ -829,9 +829,8 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
> >
> >       default:
> >               DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> > -             return -EINVAL;
> >       }
> > -     BUG();
> > +
> >       return -EINVAL;
> >   }
> >
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 9+ messages in thread
end of thread, other threads:[~2021-06-02  1:57 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-28  9:29 [PATCH v3] amdgpu: remove unreachable code Jiapeng Chong
2021-05-28  9:29 ` Jiapeng Chong
2021-05-28  9:29 ` Jiapeng Chong
2021-05-28 12:18 ` Christian König
2021-05-28 12:18   ` Christian König
2021-05-28 12:18   ` Christian König
2021-06-02  1:57   ` Alex Deucher
2021-06-02  1:57     ` Alex Deucher
2021-06-02  1:57     ` Alex Deucher

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