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V4L/DVB (4994): Vivi: fix use after free in list_for_each()
Freeing data including list_head in list_for_each() is not safe. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -1363,7 +1363,9 @@ static void __exit vivi_exit(void)
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struct vivi_dev *h;
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struct list_head *list;
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list_for_each(list,&vivi_devlist) {
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while (!list_empty(&vivi_devlist)) {
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list = vivi_devlist.next;
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list_del(list);
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h = list_entry(list, struct vivi_dev, vivi_devlist);
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kfree (h);
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}
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