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authorTanya Brokhman <tlinder@codeaurora.org>2014-04-01 11:02:07 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2014-09-11 15:53:26 +0200
commitc457880e0d2ce146ea21e2cfa92537b6dd41b8e7 (patch)
tree81c400da11a3da3de0b6ce45516cb0fb4a93654f
parentd8c4628977332edb57350d14919019acc2f6114f (diff)
downloadbarebox-c457880e0d2ce146ea21e2cfa92537b6dd41b8e7.tar.gz
barebox-c457880e0d2ce146ea21e2cfa92537b6dd41b8e7.tar.xz
UBI: fix ubi free PEBs count calculation
The ubi->free_count should be updated with every insert/remove to/from the ubi->free list. Signed-off-by: Tanya Brokhman <tlinder@codeaurora.org> Reviewed-by: Dolev Raviv <draviv@codeaurora.org> Acked-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
-rw-r--r--drivers/mtd/ubi/wl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 4ecbe1838e..e52910f3c4 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -635,6 +635,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
+ ubi->free_count--;
+ ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@@ -1018,6 +1020,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
+ ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);