From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Wed, 28 Sep 2016 10:45:11 +0000 (+0530)
Subject: dmaengine: fsldma: Unmap region obtained by of_iomap
X-Git-Tag: v4.14-rc1~2349^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=585a1db1bed7a0cf5142f859430024b98475a219;p=platform%2Fkernel%2Flinux-rpi.git

dmaengine: fsldma: Unmap region obtained by of_iomap

Free memory mapping, if probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 4b7a66d..6ccb787 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1351,7 +1351,7 @@ static int fsldma_of_probe(struct platform_device *op)
 	if (!fdev->regs) {
 		dev_err(&op->dev, "unable to ioremap registers\n");
 		err = -ENOMEM;
-		goto out_free_fdev;
+		goto out_free;
 	}
 
 	/* map the channel IRQ if it exists, but don't hookup the handler yet */
@@ -1416,6 +1416,8 @@ static int fsldma_of_probe(struct platform_device *op)
 
 out_free_fdev:
 	irq_dispose_mapping(fdev->irq);
+	iounmap(fdev->regs);
+out_free:
 	kfree(fdev);
 out_return:
 	return err;