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drm/nouveau/dma: use rb_entry()

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To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Geliang Tang 2016-12-20 22:02:11 +08:00 committed by Ben Skeggs
parent af7db03e1b
commit 05073caeed
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/nvkm/engine/dma/base.c
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@ -34,7 +34,7 @@ nvkm_dma_search(struct nvkm_dma *dma, struct nvkm_client *client, u64 object)
struct rb_node *node = client->dmaroot.rb_node;
while (node) {
struct nvkm_dmaobj *dmaobj =
container_of(node, typeof(*dmaobj), rb);
rb_entry(node, typeof(*dmaobj), rb);
if (object < dmaobj->handle)
node = node->rb_left;
else
@ -67,7 +67,7 @@ nvkm_dma_oclass_new(struct nvkm_device *device,
dmaobj->handle = oclass->object;
while (*ptr) {
struct nvkm_dmaobj *obj = container_of(*ptr, typeof(*obj), rb);
struct nvkm_dmaobj *obj = rb_entry(*ptr, typeof(*obj), rb);
parent = *ptr;
if (dmaobj->handle < obj->handle)
ptr = &parent->rb_left;