1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index a58993011ed..280a9d263eb 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -518,6 +518,7 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v
                                        dma_chan_name(chan), err);
                         else
                                 break;
+                        chan->private = NULL;
                         chan = NULL;
                 }
         }
@@ -536,6 +537,7 @@ void dma_release_channel(struct dma_chan *chan)
         WARN_ONCE(chan->client_count != 1,
                   "chan reference count %d != 1\n", chan->client_count);
         dma_chan_put(chan);
+        chan->private = NULL;
         mutex_unlock(&dma_list_mutex);
 }
 EXPORT_SYMBOL_GPL(dma_release_channel);