diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 7b1cefc3213a6622c81a59987365baab689b4b06..3432dac695e5c351637504c135de0a2d20ddcb8b 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -962,6 +962,9 @@ static int __dma_async_device_channel_register(struct dma_device *device, tchan = list_first_entry_or_null(&device->channels, struct dma_chan, device_node); + if (!tchan) + return -ENODEV; + if (tchan->dev) { idr_ref = tchan->dev->idr_ref; } else {