dmaengine: ti: k3-udma: Use proper return code in alloc_chan_resources

In udma_alloc_chan_resources() if the channel is not willing to stop then
the function should return with error code.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200512134519.5642-1-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 653aea3f6de2212df9adc2cb23c0e413d41cf4ba..9769a4699cac82fe444a3c1216937d17aba5a242 100644 (file)
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -1850,6 +1850,7 @@ static int udma_alloc_chan_resources(struct dma_chan *chan)
                udma_stop(uc);
                if (udma_is_chan_running(uc)) {
                        dev_err(ud->dev, "chan%d: won't stop!\n", uc->id);
+                       ret = -EBUSY;
                        goto err_res_free;
                }
        }