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authorBoris Brezillon <boris.brezillon@free-electrons.com>2016-09-16 16:59:12 +0200
committerRichard Weinberger <richard@nod.at>2016-10-02 22:48:14 +0200
commitecbfa8eabae9cd73522d1d3d15869703c263d859 (patch)
tree2b4bc1e8cae4b268ee055ff25a878861b3bd1b0a /drivers/mtd
parent4c368421bc1a2acc84beafcae37ed3733a4fa4fc (diff)
downloadlinux-ecbfa8eabae9cd73522d1d3d15869703c263d859.tar.bz2
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.c7
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);