From patchwork Wed Jun 13 10:42:01 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [04/21] UBI: Fastmap: Check for duplicated PEBs in add_aeb() From: Richard Weinberger X-Patchwork-Id: 164617 Message-Id: <1339584138-69914-5-git-send-email-richard@nod.at> To: linux-mtd@lists.infradead.org Cc: Richard Weinberger , adrian.hunter@intel.com, Heinz.Egger@linutronix.de, shmulik.ladkani@gmail.com, tglx@linutronix.de, tim.bird@am.sony.com Date: Wed, 13 Jun 2012 12:42:01 +0200 Signed-off-by: Richard Weinberger --- 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;