[PATCH] amdgpu/amdgpu_ids: fix kmalloc_array not uses number as first arg

[PATCH] amdgpu/amdgpu_ids: fix kmalloc_array not uses number as first arg

[Bernard Zhao]

Fix check_patch.pl warning:
kmalloc_array uses number as first arg, sizeof is generally wrong.
+fences = kmalloc_array(sizeof(void *), id_mgr->num_ids,
GFP_KERNEL);

Signed-off-by: Bernard Zhao <bernard@vivo.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
index 6e9a9e5dbea0..f2bd4b0e06f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
@@ -208,7 +208,7 @@ static int amdgpu_vmid_grab_idle(struct amdgpu_vm *vm,
 	if (ring->vmid_wait && !dma_fence_is_signaled(ring->vmid_wait))
 		return amdgpu_sync_fence(sync, ring->vmid_wait);
 
-	fences = kmalloc_array(sizeof(void *), id_mgr->num_ids, GFP_KERNEL);
+	fences = kmalloc_array(id_mgr->num_ids, sizeof(void *), GFP_KERNEL);
 	if (!fences)
 		return -ENOMEM;
 
-- 
2.29.0

Re: [PATCH] amdgpu/amdgpu_ids: fix kmalloc_array not uses number as first arg

[Christian König]

Am 18.11.20 um 03:42 schrieb Bernard Zhao:
> Fix check_patch.pl warning:
> kmalloc_array uses number as first arg, sizeof is generally wrong.
> +fences = kmalloc_array(sizeof(void *), id_mgr->num_ids,
> GFP_KERNEL);
>
> Signed-off-by: Bernard Zhao <bernard@vivo.com>

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

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> index 6e9a9e5dbea0..f2bd4b0e06f6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> @@ -208,7 +208,7 @@ static int amdgpu_vmid_grab_idle(struct amdgpu_vm *vm,
>   	if (ring->vmid_wait && !dma_fence_is_signaled(ring->vmid_wait))
>   		return amdgpu_sync_fence(sync, ring->vmid_wait);
>   
> -	fences = kmalloc_array(sizeof(void *), id_mgr->num_ids, GFP_KERNEL);
> +	fences = kmalloc_array(id_mgr->num_ids, sizeof(void *), GFP_KERNEL);
>   	if (!fences)
>   		return -ENOMEM;
>   

Re: [PATCH] amdgpu/amdgpu_ids: fix kmalloc_array not uses number as first arg

[Alex Deucher]

Applied.  Thanks!

Alex

On Wed, Nov 18, 2020 at 3:17 AM Christian König
<christian.koenig@amd.com> wrote:
>
> Am 18.11.20 um 03:42 schrieb Bernard Zhao:
> > Fix check_patch.pl warning:
> > kmalloc_array uses number as first arg, sizeof is generally wrong.
> > +fences = kmalloc_array(sizeof(void *), id_mgr->num_ids,
> > GFP_KERNEL);
> >
> > Signed-off-by: Bernard Zhao <bernard@vivo.com>
>
> Reviewed-by: Christian König <christian.koenig@amd.com>
>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> > index 6e9a9e5dbea0..f2bd4b0e06f6 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
> > @@ -208,7 +208,7 @@ static int amdgpu_vmid_grab_idle(struct amdgpu_vm *vm,
> >       if (ring->vmid_wait && !dma_fence_is_signaled(ring->vmid_wait))
> >               return amdgpu_sync_fence(sync, ring->vmid_wait);
> >
> > -     fences = kmalloc_array(sizeof(void *), id_mgr->num_ids, GFP_KERNEL);
> > +     fences = kmalloc_array(id_mgr->num_ids, sizeof(void *), GFP_KERNEL);
> >       if (!fences)
> >               return -ENOMEM;
> >
>
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