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| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-09-16 16:59:12 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-10-02 22:48:14 +0200 |
| commit | ecbfa8eabae9cd73522d1d3d15869703c263d859 (patch) | |
| tree | 2b4bc1e8cae4b268ee055ff25a878861b3bd1b0a /drivers/mtd | |
| parent | 4c368421bc1a2acc84beafcae37ed3733a4fa4fc (diff) | |
| download | linux-stable-ecbfa8eabae9cd73522d1d3d15869703c263d859.tar.gz linux-stable-ecbfa8eabae9cd73522d1d3d15869703c263d859.tar.bz2 linux-stable-ecbfa8eabae9cd73522d1d3d15869703c263d859.zip | |
UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header
scan_pool() does not mark the PEB for scrubing when bitflips are
detected in the EC header of a free PEB (VID header region left to
0xff).
Make sure we scrub the PEB in this case.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: dbb7d2a88d2a ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/fastmap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index ebb65ac6980f..a6ed78d14055 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -498,10 +498,11 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, unsigned long long ec = be64_to_cpu(ech->ec); unmap_peb(ai, pnum); dbg_bld("Adding PEB to free: %i", pnum); + if (err == UBI_IO_FF_BITFLIPS) - add_aeb(ai, free, pnum, ec, 1); - else - add_aeb(ai, free, pnum, ec, 0); + scrub = 1; + + add_aeb(ai, free, pnum, ec, scrub); continue; } else if (err == 0 || err == UBI_IO_BITFLIPS) { dbg_bld("Found non empty PEB:%i in pool", pnum); |