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path: root/drivers/dma/apbh_dma.c
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Diffstat (limited to 'drivers/dma/apbh_dma.c')
-rw-r--r--drivers/dma/apbh_dma.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c
index c63f4f6..c65a215 100644
--- a/drivers/dma/apbh_dma.c
+++ b/drivers/dma/apbh_dma.c
@@ -126,10 +126,10 @@ static int mxs_dma_enable(int channel)
return 0;
}
- pdesc = list_first_entry(&pchan->active, struct mxs_dma_desc, node);
- if (pdesc == NULL)
+ if (list_empty(&pchan->active))
return -EFAULT;
-
+
+ pdesc = list_first_entry(&pchan->active, struct mxs_dma_desc, node);
if (pchan->flags & MXS_DMA_FLAGS_BUSY) {
if (!(pdesc->cmd.data & MXS_DMA_DESC_CHAIN))
return 0;