[PATCH] drm/amdgpu: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

The rcu_assign_pointer() ensures that the initialization of a structure is carried out before storing a pointer to that structre. It is always safe to use RCU_INIT_POINTER() to NULL a pointer, instead of rcu_assign_pointer(). This results in slightly smaller/faster code.

The following semantic patch was used: <smpl>

@@ @@

- rcu_assign_pointer + RCU_INIT_POINTER (..., NULL)

</smpl>

Signed-off-by: Muhammad Falak R Wani falakreyaz@gmail.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index d81f1f4..4500ff1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -198,7 +198,7 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)

/* There is always exactly one thread signaling this fence slot */ fence = rcu_dereference_protected(*ptr, 1); - rcu_assign_pointer(*ptr, NULL); + RCU_INIT_POINTER(*ptr, NULL);

BUG_ON(!fence);