From: <gregkh@linuxfoundation.org>
To: Tobias.Jordan@elektrobit.com, alexander.levin@verizon.com,
gregkh@linuxfoundation.org, vinod.koul@intel.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "dmaengine: jz4740: disable/unprepare clk if probe fails" has been added to the 4.14-stable tree
Date: Fri, 23 Feb 2018 12:10:13 +0100 [thread overview]
Message-ID: <1519384213238240@kroah.com> (raw)
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 4.14-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-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Fri Feb 23 11:45:09 CET 2018
From: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Date: Wed, 6 Dec 2017 14:28:27 +0100
Subject: dmaengine: jz4740: disable/unprepare clk if probe fails
From: Tobias Jordan <Tobias.Jordan@elektrobit.com>
[ 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).
Fixes: 25ce6c35fea0 MIPS: jz4740: Remove custom DMA API
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/dma/dma-jz4740.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/dma/dma-jz4740.c
+++ b/drivers/dma/dma-jz4740.c
@@ -555,7 +555,7 @@ 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);
@@ -568,6 +568,8 @@ 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 Tobias.Jordan@elektrobit.com are
queue-4.14/dmaengine-jz4740-disable-unprepare-clk-if-probe-fails.patch
reply other threads:[~2018-02-23 11:10 UTC|newest]
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