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media: v4l: async: Properly re-initialise notifier entry in unregister
The notifier_entry of a notifier is not re-initialised after unregistering
the notifier. This leads to dangling pointers being left there so use
list_del_init() to return the notifier_entry an empty list.
Fixes: b8ec754ae4
("media: v4l: async: Set v4l2_device and subdev in async notifier init")
Cc: <stable@vger.kernel.org> # for 6.6 and later
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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1 changed files with 1 additions and 1 deletions
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@ -635,7 +635,7 @@ __v4l2_async_nf_unregister(struct v4l2_async_notifier *notifier)
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v4l2_async_nf_unbind_all_subdevs(notifier);
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list_del(¬ifier->notifier_entry);
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list_del_init(¬ifier->notifier_entry);
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}
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void v4l2_async_nf_unregister(struct v4l2_async_notifier *notifier)
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