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authorRichard Weinberger <richard@nod.at>2012-12-03 20:57:46 +0100
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-12-04 16:04:16 +0200
commited4b7021cb51fe5a0f260df03298709347a26967 (patch)
tree483eee94b6c30566e1b7694169e83e9014567b4b /drivers/mtd
parent9489e9dcae718d5fde988e4a684a0f55b5f94d17 (diff)
downloadlinux-ed4b7021cb51fe5a0f260df03298709347a26967.tar.bz2
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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/ubi/wl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index da7b44998b40..1f9f5f7a5d0f 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -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)