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UBI: remove PEB from free tree in get_peb_for_wl() 

If UBI is built without fastmap, get_peb_for_wl() has to
remove the PEB manially from the free tree.
Otherwise the requested PEB lives in two trees.

Reported-by: Zach Sadecki <zsadecki@itwatchdogs.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Richard Weinberger 2012-12-03 20:57:46 +01:00 committed by Artem Bityutskiy
parent 9489e9dcae
commit ed4b7021cb
1 changed files with 7 additions and 1 deletions
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8
drivers/mtd/ubi/wl.c
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@ -679,7 +679,13 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
#else
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
{
return find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
struct ubi_wl_entry *e;
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
rb_erase(&e->u.rb, &ubi->free);
return e;
}
int ubi_wl_get_peb(struct ubi_device *ubi)