dmaengine: edma: Do not change the error code returned from edma_alloc_slot

In case of edma_alloc_slot() failure during probe we should return the error
unchanged to make debugging easier.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 3754ffa09f273c6bd124db119830e669bedbf6d1..4190976ababcc51d9633e18ae150cf17e198210a 100644 (file)
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -1047,7 +1047,7 @@ static int edma_probe(struct platform_device *pdev)
        ecc->dummy_slot = edma_alloc_slot(ecc->ctlr, EDMA_SLOT_ANY);
        if (ecc->dummy_slot < 0) {
                dev_err(&pdev->dev, "Can't allocate PaRAM dummy slot\n");
-               return -EIO;
+               return ecc->dummy_slot;
        }
 
        dma_cap_zero(ecc->dma_slave.cap_mask);