[PATCH 04/21] UBI: Fastmap: Check for duplicated PEBs in add_aeb()

[Richard Weinberger]

Signed-off-by: Richard Weinberger <richard at nod.at>
---
 drivers/mtd/ubi/fastmap.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index d446fc3..97d694f 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -53,6 +53,10 @@ static int add_aeb(struct ubi_attach_info *ai, struct list_head *list,
 {
 	struct ubi_ainf_peb *aeb;
 
+	list_for_each_entry(aeb, list, u.list)
+		if (aeb->pnum == pnum)
+			return 0;
+
 	aeb = kmem_cache_alloc(ai->aeb_slab_cache, GFP_KERNEL);
 	if (!aeb)
 		return -ENOMEM;
-- 
1.7.6.5