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SubjectRe: [PATCH][next] drm/amdgpu: fix uninitialized variable pasid_mapping_needed
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Am 03.10.19 um 23:52 schrieb Colin King:
> From: Colin Ian King <colin.king@canonical.com>
>
> The boolean variable pasid_mapping_needed is not initialized and
> there are code paths that do not assign it any value before it is
> is read later. Fix this by initializing pasid_mapping_needed to
> false.
>
> Addresses-Coverity: ("Uninitialized scalar variable")
> Fixes: 6817bf283b2b ("drm/amdgpu: grab the id mgr lock while accessing passid_mapping")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

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

> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index a2c797e34a29..be10e4b9a94d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1055,7 +1055,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
> id->oa_size != job->oa_size);
> bool vm_flush_needed = job->vm_needs_flush;
> struct dma_fence *fence = NULL;
> - bool pasid_mapping_needed;
> + bool pasid_mapping_needed = false;
> unsigned patch_offset = 0;
> int r;
>

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