The patch below does not apply to the 4.8-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From f7d11b33d4e8cedf19367c09b891bbc705163976 Mon Sep 17 00:00:00 2001 From: Richard Weinberger <richard@xxxxxx> Date: Wed, 24 Aug 2016 14:36:15 +0200 Subject: [PATCH] ubi: Fix Fastmap's update_vol() Usually Fastmap is free to consider every PEB in one of the pools as newer than the existing PEB. Since PEBs in a pool are by definition newer than everything else. But update_vol() missed the case that a pool can contain more than one candidate. Cc: <stable@xxxxxxxxxxxxxxx> Fixes: dbb7d2a88d ("UBI: Add fastmap core") Signed-off-by: Richard Weinberger <richard@xxxxxx> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Signed-off-by: Richard Weinberger <richard@xxxxxx> diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index 8bd468332ec0..d6384d965788 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -304,6 +304,7 @@ static int update_vol(struct ubi_device *ubi, struct ubi_attach_info *ai, aeb->pnum = new_aeb->pnum; aeb->copy_flag = new_vh->copy_flag; aeb->scrub = new_aeb->scrub; + aeb->sqnum = new_aeb->sqnum; ubi_free_aeb(ai, new_aeb); /* new_aeb is older */ -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html