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    Subject[PATCH 4.18 075/171] acpi, nfit: Fix ARS overflow continuation
    Date
    4.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Dan Williams <dan.j.williams@intel.com>

    commit 3fa58dcab50a0aa16817f16a8d38aee869eb3fb9 upstream.

    When the platform BIOS is unable to report all the media error records
    it requires the OS to restart the scrub at a prescribed location. The
    driver detects the overflow condition, but then fails to report it to
    the ARS state machine after reaping the records. Propagate -ENOSPC
    correctly to continue the ARS operation.

    Cc: <stable@vger.kernel.org>
    Fixes: 1cf03c00e7c1 ("nfit: scrub and register regions in a workqueue")
    Reported-by: Jacek Zloch <jacek.zloch@intel.com>
    Reviewed-by: Dave Jiang <dave.jiang@intel.com>
    Signed-off-by: Dan Williams <dan.j.williams@intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/acpi/nfit/core.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/acpi/nfit/core.c
    +++ b/drivers/acpi/nfit/core.c
    @@ -2835,9 +2835,9 @@ static int acpi_nfit_query_poison(struct
    return rc;

    if (ars_status_process_records(acpi_desc))
    - return -ENOMEM;
    + dev_err(acpi_desc->dev, "Failed to process ARS records\n");

    - return 0;
    + return rc;
    }

    static int ars_register(struct acpi_nfit_desc *acpi_desc,

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