[PATCH] dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe()

[Wenwen Wang]

If devm_request_irq() fails to disable all interrupts, no cleanup is
performed before retuning the error. To fix this issue, invoke
omap_dma_free() to do the cleanup.

Signed-off-by: Wenwen Wang <wen...@cs.uga.edu>
---
 drivers/dma/ti/omap-dma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
index ba2489d..5158b58 100644
--- a/drivers/dma/ti/omap-dma.c
+++ b/drivers/dma/ti/omap-dma.c
@@ -1540,8 +1540,10 @@ static int omap_dma_probe(struct platform_device *pdev)
 
                rc = devm_request_irq(&pdev->dev, irq, omap_dma_irq,
                                      IRQF_SHARED, "omap-dma-engine", od);
-               if (rc)
+               if (rc) {
+                       omap_dma_free(od);
                        return rc;
+               }
        }
 
        if (omap_dma_glbl_read(od, CAPS_0) & CAPS_0_SUPPORT_LL123)
-- 
2.7.4