From: Moudy Ho <moudy.ho@mediatek.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Jernej Skrabec <jernej.skrabec@siol.net>
Cc: Maoguang Meng <maoguang.meng@mediatek.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
daoyuan huang <daoyuan.huang@mediatek.com>,
Ping-Hsun Wu <ping-hsun.wu@mediatek.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Rob Landley <rob@landley.net>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <tfiga@chromium.org>,
<drinkcat@chromium.org>, <acourbot@chromium.org>,
<pihsun@chromium.org>, <menghui.lin@mediatek.com>,
<sj.huang@mediatek.com>, <ben.lok@mediatek.com>,
<randy.wu@mediatek.com>, <moudy.ho@mediatek.com>,
<srv_heupstream@mediatek.com>, <frederic.chen@mediatek.com>
Subject: [RFC PATCH V0 09/10] media: mtk-mdp3: revise error handling about get/probe MDP3
Date: Wed, 23 Jun 2021 15:35:48 +0800 [thread overview]
Message-ID: <20210623073549.24170-9-moudy.ho@mediatek.com> (raw)
In-Reply-To: <20210623073549.24170-1-moudy.ho@mediatek.com>
This patch is used for review before send upstream patch.
From Alexandre Courbot's review comment: Independent from the main patch.
Revise error handling about get/probe MDP3 driver to make it stable.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
---
drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
index eaf5b07e720f..207b55ace97b 100644
--- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
@@ -40,9 +40,9 @@ struct platform_device *mdp_get_plat_device(struct platform_device *pdev)
}
mdp_pdev = of_find_device_by_node(mdp_node);
+ of_node_put(mdp_node);
if (WARN_ON(!mdp_pdev)) {
dev_err(dev, "mdp pdev failed\n");
- of_node_put(mdp_node);
return NULL;
}
@@ -113,7 +113,7 @@ static int mdp_probe(struct platform_device *pdev)
if (!mdp->job_wq) {
dev_err(dev, "Unable to create job workqueue\n");
ret = -ENOMEM;
- goto err_destroy_job_wq;
+ goto err_deinit_comp;
}
mdp->clock_wq = alloc_workqueue(MDP_MODULE_NAME "-clock", WQ_FREEZABLE,
@@ -121,7 +121,7 @@ static int mdp_probe(struct platform_device *pdev)
if (!mdp->clock_wq) {
dev_err(dev, "Unable to create clock workqueue\n");
ret = -ENOMEM;
- goto err_destroy_clock_wq;
+ goto err_destroy_job_wq;
}
mdp->scp = scp_get(pdev);
@@ -179,6 +179,8 @@ static int mdp_probe(struct platform_device *pdev)
destroy_workqueue(mdp->clock_wq);
err_destroy_job_wq:
destroy_workqueue(mdp->job_wq);
+err_deinit_comp:
+ mdp_component_deinit(mdp);
err_return:
dev_dbg(dev, "Errno %d\n", ret);
return ret;
--
2.18.0
next prev parent reply other threads:[~2021-06-23 7:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-23 7:35 [RFC PATCH V0 01/10] media: mtk-mdp3: Add Mediatek MDP Driver Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 02/10] media: mtk-mdp3: fix redundant process done caused KE Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 03/10] media: mtk-mdp3: revise suspend strategy Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 04/10] media: mtk-mdp3: add error handling in error return Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 05/10] media: mtk-mdp3: remove unnecessary Null check Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 06/10] media: mtk-mdp3: move clock on to precise place Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 07/10] media: mtk-mdp3: Fix unpaired settings Moudy Ho
2021-06-23 7:35 ` [RFC PATCH V0 08/10] media: mtk-mdp3: remove illegal device node usage Moudy Ho
2021-06-23 7:35 ` Moudy Ho [this message]
2021-06-23 7:35 ` [RFC PATCH V0 10/10] media: mtk-mdp3: Adjust related settings for 5.13-rc1 Moudy Ho
2021-06-23 10:41 ` [RFC PATCH V0 01/10] media: mtk-mdp3: Add Mediatek MDP Driver Chun-Kuang Hu
2021-07-02 12:00 ` Enric Balletbo Serra
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=20210623073549.24170-9-moudy.ho@mediatek.com \
--to=moudy.ho@mediatek.com \
--cc=acourbot@chromium.org \
--cc=ben.lok@mediatek.com \
--cc=daoyuan.huang@mediatek.com \
--cc=devicetree@vger.kernel.org \
--cc=drinkcat@chromium.org \
--cc=frederic.chen@mediatek.com \
--cc=geert+renesas@glider.be \
--cc=hverkuil-cisco@xs4all.nl \
--cc=jernej.skrabec@siol.net \
--cc=krzk@kernel.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=maoguang.meng@mediatek.com \
--cc=matthias.bgg@gmail.com \
--cc=mchehab@kernel.org \
--cc=menghui.lin@mediatek.com \
--cc=pihsun@chromium.org \
--cc=ping-hsun.wu@mediatek.com \
--cc=randy.wu@mediatek.com \
--cc=rob@landley.net \
--cc=robh+dt@kernel.org \
--cc=sj.huang@mediatek.com \
--cc=srv_heupstream@mediatek.com \
--cc=tfiga@chromium.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).