Merge branch 'master' into next

[karo-tx-linux.git] / drivers / dma / dmaengine.c

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index a58993011edb4bc369a39b6caed0a93f62dc44a8..280a9d263eb3c4271d1cff6e55448cae0a93b387 100644 (file)
--- 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);