Patch "dmaengine: jz4740: disable/unprepare clk if probe fails" has been added to the 3.18-stable tree

This is a note to let you know that I've just added the patch titled

dmaengine: jz4740: disable/unprepare clk if probe fails

to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
dmaengine-jz4740-disable-unprepare-clk-if-probe-fails.patch
and it can be found in the queue-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Tobias Jordan <[email protected]>
Date: Wed, 6 Dec 2017 14:28:27 +0100
Subject: dmaengine: jz4740: disable/unprepare clk if probe fails

From: Tobias Jordan <[email protected]>

[ Upstream commit eb9436966fdc84cebdf222952a99898ab46d9bb0 ]

in error path of jz4740_dma_probe(), call clk_disable_unprepare() to clean up.

Found by Linux Driver Verification project (linuxtesting.org).

---
 drivers/dma/dma-jz4740.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -575,7 +575,7 @@ static int jz4740_dma_probe(struct platf
 
 	ret = dma_async_device_register(dd);
 	if (ret)
-		return ret;
+		goto err_clk;
 
 	irq = platform_get_irq(pdev, 0);
 	ret = request_irq(irq, jz4740_dma_irq, 0, dev_name(&pdev->dev), dmadev);

@@ -588,6 +588,8 @@ static int jz4740_dma_probe(struct platf
 
 err_unregister:
 	dma_async_device_unregister(dd);
+err_clk:
+	clk_disable_unprepare(dmadev->clk);
 	return ret;
 }
 

Patches currently in stable-queue which might be from [email protected] are

queue-3.18/dmaengine-jz4740-disable-unprepare-clk-if-probe-fails.patch