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drm/amd/amdgpu: fix locking in bo creation error path 

Unlock the resv lock only if we were the ones to lock it in the first
place.

Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicolai Hähnle 2017-01-10 20:36:56 +01:00 committed by Alex Deucher
parent 36ea83d151
commit f1543f58cb
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -408,7 +408,8 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
return 0;
fail_unreserve:
ww_mutex_unlock(&bo->tbo.resv->lock);
if (!resv)
ww_mutex_unlock(&bo->tbo.resv->lock);
amdgpu_bo_unref(&bo);
return r;
}