Re: [PATCH] dmaengine: virt-dma: fix completion list manipulation

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On 03/02/2015 10:19 PM, Robert Jarzmik wrote:
diff --git a/drivers/dma/virt-dma.h b/drivers/dma/virt-dma.h
index 3772032..2a3da22 100644
--- a/drivers/dma/virt-dma.h
+++ b/drivers/dma/virt-dma.h
@@ -91,7 +91,7 @@ static inline void vchan_cookie_complete(struct virt_dma_desc *vd)
  	dma_cookie_complete(&vd->tx);
  	dev_vdbg(vc->chan.device->dev, "txd %p[%x]: marked complete\n",
  		 vd, cookie);
-	list_add_tail(&vd->node, &vc->desc_completed);
+	list_move_tail(&vd->node, &vc->desc_completed);

That will break all drivers which handle this currently correctly and remove the descriptor from any list before calling vchan_cookie_complete.

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