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-rw-r--r--drivers/dma/dmaengine.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 5317e08221ec..657996517374 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -388,7 +388,10 @@ int dma_async_device_register(struct dma_device *device)
388 388
389 init_completion(&device->done); 389 init_completion(&device->done);
390 kref_init(&device->refcount); 390 kref_init(&device->refcount);
391
392 mutex_lock(&dma_list_mutex);
391 device->dev_id = id++; 393 device->dev_id = id++;
394 mutex_unlock(&dma_list_mutex);
392 395
393 /* represent channels in sysfs. Probably want devs too */ 396 /* represent channels in sysfs. Probably want devs too */
394 list_for_each_entry(chan, &device->channels, device_node) { 397 list_for_each_entry(chan, &device->channels, device_node) {