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V4L/DVB (4994): Vivi: fix use after free in list_for_each()

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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>
This commit is contained in:
Akinobu Mita 2006-12-20 10:03:53 -03:00 committed by Mauro Carvalho Chehab
parent b331daa03c
commit 72f678c301
1 changed files with 3 additions and 1 deletions
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4
drivers/media/video/vivi.c
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@ -1363,7 +1363,9 @@ static void __exit vivi_exit(void)
struct vivi_dev *h;
struct list_head *list;
list_for_each(list,&vivi_devlist) {
while (!list_empty(&vivi_devlist)) {
list = vivi_devlist.next;
list_del(list);
h = list_entry(list, struct vivi_dev, vivi_devlist);
kfree (h);
}