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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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