From: Colin Ian King colin.king@canonical.com
[ Upstream commit 17cf678a33c6196a3df4531fe5aec91384c9eeb5 ]
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") Reviewed-by: Christian König christian.koenig@amd.com Signed-off-by: Colin Ian King colin.king@canonical.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.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 69fb90d..f67c332 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -701,7 +701,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_ 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;