From: <Eugen.Hristev@microchip.com>
To: <linux-media@vger.kernel.org>, <hverkuil@xs4all.nl>,
<Nicolas.Ferre@microchip.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <mchehab@kernel.org>
Cc: Eugen.Hristev@microchip.com, ksloat@aampglobal.com
Subject: [PATCH 6/7] media: atmel: atmel-isc: fix INIT_WORK misplacement
Date: Tue, 9 Apr 2019 11:07:33 +0000 [thread overview]
Message-ID: <1554807715-2353-7-git-send-email-eugen.hristev@microchip.com> (raw)
In-Reply-To: <1554807715-2353-1-git-send-email-eugen.hristev@microchip.com>
From: Eugen Hristev <eugen.hristev@microchip.com>
In case the completion function failes, unbind will be called
which will call cancel_work for awb_work.
This will trigger a WARN message from the workqueue.
To avoid this, move the INIT_WORK call at the start of the completion
function. This way the work is always initialized, which corresponds
to the 'always canceled' unbind code.
Fixes: 93d4a26c3d ("[media] atmel-isc: add the isc pipeline function")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
drivers/media/platform/atmel/atmel-isc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
index 902bd7e..48652c0 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -2237,6 +2237,8 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
struct vb2_queue *q = &isc->vb2_vidq;
int ret;
+ INIT_WORK(&isc->awb_work, isc_awb_work);
+
ret = v4l2_device_register_subdev_nodes(&isc->v4l2_dev);
if (ret < 0) {
v4l2_err(&isc->v4l2_dev, "Failed to register subdev nodes\n");
@@ -2291,8 +2293,6 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
return ret;
}
- INIT_WORK(&isc->awb_work, isc_awb_work);
-
/* Register video device */
strscpy(vdev->name, ATMEL_ISC_NAME, sizeof(vdev->name));
vdev->release = video_device_release_empty;
--
2.7.4
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: <Eugen.Hristev@microchip.com>
To: <linux-media@vger.kernel.org>, <hverkuil@xs4all.nl>,
<Nicolas.Ferre@microchip.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <mchehab@kernel.org>
Cc: <ksloat@aampglobal.com>, <Eugen.Hristev@microchip.com>
Subject: [PATCH 6/7] media: atmel: atmel-isc: fix INIT_WORK misplacement
Date: Tue, 9 Apr 2019 11:07:33 +0000 [thread overview]
Message-ID: <1554807715-2353-7-git-send-email-eugen.hristev@microchip.com> (raw)
In-Reply-To: <1554807715-2353-1-git-send-email-eugen.hristev@microchip.com>
From: Eugen Hristev <eugen.hristev@microchip.com>
In case the completion function failes, unbind will be called
which will call cancel_work for awb_work.
This will trigger a WARN message from the workqueue.
To avoid this, move the INIT_WORK call at the start of the completion
function. This way the work is always initialized, which corresponds
to the 'always canceled' unbind code.
Fixes: 93d4a26c3d ("[media] atmel-isc: add the isc pipeline function")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
drivers/media/platform/atmel/atmel-isc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
index 902bd7e..48652c0 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -2237,6 +2237,8 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
struct vb2_queue *q = &isc->vb2_vidq;
int ret;
+ INIT_WORK(&isc->awb_work, isc_awb_work);
+
ret = v4l2_device_register_subdev_nodes(&isc->v4l2_dev);
if (ret < 0) {
v4l2_err(&isc->v4l2_dev, "Failed to register subdev nodes\n");
@@ -2291,8 +2293,6 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
return ret;
}
- INIT_WORK(&isc->awb_work, isc_awb_work);
-
/* Register video device */
strscpy(vdev->name, ATMEL_ISC_NAME, sizeof(vdev->name));
vdev->release = video_device_release_empty;
--
2.7.4
next prev parent reply other threads:[~2019-04-09 11:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-09 11:07 [PATCH 0/7] media: atmel: atmel-isc: new features Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-09 11:07 ` [PATCH 1/7] media: atmel: atmel-isc: add safe checks and fixed wrong ISC state in error case Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-10 14:19 ` Hans Verkuil
2019-04-10 14:19 ` Hans Verkuil
2019-04-09 11:07 ` [PATCH 2/7] media: atmel: atmel-isc: reworked white balance feature Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-09 11:07 ` [PATCH 3/7] media: v4l2-ctrl: fix flags for DO_WHITE_BALANCE Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-09 11:07 ` [PATCH 4/7] media: atmel: atmel-isc: add support " Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-10 14:26 ` Hans Verkuil
2019-04-10 14:26 ` Hans Verkuil
2019-04-15 6:43 ` Eugen.Hristev
2019-04-15 6:43 ` Eugen.Hristev
2019-04-23 13:11 ` Hans Verkuil
2019-04-23 13:11 ` Hans Verkuil
2019-04-23 13:19 ` Eugen.Hristev
2019-04-23 13:19 ` Eugen.Hristev
2019-04-09 11:07 ` [PATCH 5/7] media: atmel: atmel-isc: limit incoming pixels per frame Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev [this message]
2019-04-09 11:07 ` [PATCH 6/7] media: atmel: atmel-isc: fix INIT_WORK misplacement Eugen.Hristev
2019-04-09 11:07 ` [PATCH 7/7] media: atmel: atmel-isc: fix asd memory allocation Eugen.Hristev
2019-04-09 11:07 ` Eugen.Hristev
2019-04-10 14:31 ` [PATCH 0/7] media: atmel: atmel-isc: new features Hans Verkuil
2019-04-10 14:31 ` Hans Verkuil
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=1554807715-2353-7-git-send-email-eugen.hristev@microchip.com \
--to=eugen.hristev@microchip.com \
--cc=Nicolas.Ferre@microchip.com \
--cc=hverkuil@xs4all.nl \
--cc=ksloat@aampglobal.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.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 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.