If we encounter an uncorrectable ECC error while scanning for the fastmap
UBI must not fail hard. Instead fall back to scanning mode.

Reported-by: Alexander Block <alexander.bl...@continental-corporation.com>
Signed-off-by: Richard Weinberger <rich...@nod.at>
---
 drivers/mtd/ubi/attach.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 9bc70eb..c1039d9 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -1419,7 +1419,7 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
                err = scan_all(ubi, ai, 0);
        else {
                err = scan_fast(ubi, &ai);
-               if (err > 0) {
+               if (err > 0 || mtd_is_eccerr(err)) {
                        if (err != UBI_NO_FASTMAP) {
                                destroy_ai(ai);
                                ai = alloc_ai();
-- 
1.8.4.5

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