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Subject[PATCH 31/31] media: au0828 change to check media device unregister progress state
Date
Change au0828_unregister_media_device() to check media
device media device unregister is in progress and avoid
calling media_device_unregister() and other cleanup done
in au0828_unregister_media_device().

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
---
drivers/media/usb/au0828/au0828-core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c
index 886fb28..de357a2 100644
--- a/drivers/media/usb/au0828/au0828-core.c
+++ b/drivers/media/usb/au0828/au0828-core.c
@@ -136,7 +136,9 @@ static void au0828_unregister_media_device(struct au0828_dev *dev)

#ifdef CONFIG_MEDIA_CONTROLLER
if (dev->media_dev &&
- media_devnode_is_registered(&dev->media_dev->devnode)) {
+ media_devnode_is_registered(&dev->media_dev->devnode) &&
+ !media_device_is_unregister_in_progress(dev->media_dev)) {
+
media_device_unregister(dev->media_dev);
media_device_cleanup(dev->media_dev);
dev->media_dev = NULL;
--
2.5.0


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