From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Tue, 12 May 2020 13:45:19 +0000 (+0300)
Subject: dmaengine: ti: k3-udma: Use proper return code in alloc_chan_resources
X-Git-Tag: v5.10.7~2375^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7ae6d7bd7397e46bd72cb85ab573a669c4dac925;p=platform%2Fkernel%2Flinux-rpi.git

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 653aea3..9769a46 100644
--- 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;
 		}
 	}