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drm/nouveau/fifo/nv04: avoid ramht race against cookie insertion
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: stable@vger.kernel.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -37,7 +37,10 @@ nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie)
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{
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struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
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struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem;
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mutex_lock(&chan->fifo->base.engine.subdev.mutex);
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nvkm_ramht_remove(imem->ramht, cookie);
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mutex_unlock(&chan->fifo->base.engine.subdev.mutex);
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}
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static int
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