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    Subject[PATCH 3/6] UBI: Fastmap: Notify user in case of an ubi_update_fastmap() failure
    Date
    If ubi_update_fastmap() fails notify the user.
    This is not a hard error as ubi_update_fastmap() makes sure that upon failure
    the current on-flash fastmap will no be used upon next UBI attach.

    Signed-off-by: Richard Weinberger <richard@nod.at>
    ---
    drivers/mtd/ubi/wl.c | 6 +++++-
    1 file changed, 5 insertions(+), 1 deletion(-)

    diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
    index 523d8a4..7821342 100644
    --- a/drivers/mtd/ubi/wl.c
    +++ b/drivers/mtd/ubi/wl.c
    @@ -657,7 +657,11 @@ again:
    * refill the WL pool synchronous. */
    if (pool->used == pool->size || wl_pool->used == wl_pool->size) {
    spin_unlock(&ubi->wl_lock);
    - ubi_update_fastmap(ubi);
    + ret = ubi_update_fastmap(ubi);
    + if (ret) {
    + ubi_msg(ubi, "Unable to write a new fastmap: %i", ret);
    + return -ENOSPC;
    + }
    spin_lock(&ubi->wl_lock);
    }

    --
    1.8.4.5


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