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drm/amdgpu: clear job on failure in amdgpu_job_alloc(_with_ib)

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If memory is freed we need to nullify the pointer or the caller
might call kfree again (eg: amdgpu_cs_parser_fini calls kfree on
all non-null job pointers).

Fixes: db36632ea5 ("drm/amdgpu: clean up and unify hw fence handling")
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2025-11-24 15:33:41 +01:00 committed by Alex Deucher
parent 5de8ce0f37
commit 723c1dd362
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
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@ -224,6 +224,7 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, struct amdgpu_vm *vm,
kfree((*job)->hw_fence);
err_job:
kfree(*job);
*job = NULL;
return r;
}
@ -246,6 +247,7 @@ int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev,
if (entity)
drm_sched_job_cleanup(&(*job)->base);
kfree(*job);
*job = NULL;
}
return r;