From: <gregkh@linuxfoundation.org>
To: Tobias.Jordan@elektrobit.com, alexander.levin@microsoft.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 4.9-stable tree
Date: Fri, 23 Feb 2018 11:59:06 +0100 [thread overview]
Message-ID: <151938354643148@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 4.9-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-4.9 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 11:48:40 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@microsoft.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-4.9/dmaengine-jz4740-disable-unprepare-clk-if-probe-fails.patch
reply other threads:[~2018-02-23 10:59 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=151938354643148@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=Tobias.Jordan@elektrobit.com \
--cc=alexander.levin@microsoft.com \
--cc=stable-commits@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=vinod.koul@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.