dmaengine: imx-dma: fix wrong callback invoke

[platform/kernel/linux-exynos.git] / drivers / dma / imx-dma.c

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f681df8..cb37730 100644 (file)
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -623,7 +623,7 @@ static void imxdma_tasklet(unsigned long data)
 {
        struct imxdma_channel *imxdmac = (void *)data;
        struct imxdma_engine *imxdma = imxdmac->imxdma;
-       struct imxdma_desc *desc;
+       struct imxdma_desc *desc, *next_desc;
        unsigned long flags;
 
        spin_lock_irqsave(&imxdma->lock, flags);
@@ -653,10 +653,10 @@ static void imxdma_tasklet(unsigned long data)
        list_move_tail(imxdmac->ld_active.next, &imxdmac->ld_free);
 
        if (!list_empty(&imxdmac->ld_queue)) {
-               desc = list_first_entry(&imxdmac->ld_queue, struct imxdma_desc,
-                                       node);
+               next_desc = list_first_entry(&imxdmac->ld_queue,
+                                            struct imxdma_desc, node);
                list_move_tail(imxdmac->ld_queue.next, &imxdmac->ld_active);
-               if (imxdma_xfer_desc(desc) < 0)
+               if (imxdma_xfer_desc(next_desc) < 0)
                        dev_warn(imxdma->dev, "%s: channel: %d couldn't xfer desc\n",
                                 __func__, imxdmac->channel);
        }