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Date: Fri, 22 Mar 2019 12:14:08 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Krzysztof Rusocki <krzysztof.rusocki@...el.com>, Toshi Kani <toshi.kani@....com>, Dan Williams <dan.j.williams@...el.com> Subject: [PATCH 5.0 029/238] nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Williams <dan.j.williams@...el.com> commit c6c5df293bf1b488cf8459aac658aecfdccb13a9 upstream. If query-ARS reports that ARS has stopped and requires continuation attempt to retrieve short-ARS results before continuing the long operation. Fixes: bc6ba8085842 ("nfit, address-range-scrub: rework and simplify ARS...") Cc: <stable@...r.kernel.org> Reported-by: Krzysztof Rusocki <krzysztof.rusocki@...el.com> Reviewed-by: Toshi Kani <toshi.kani@....com> Signed-off-by: Dan Williams <dan.j.williams@...el.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/acpi/nfit/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3021,6 +3021,7 @@ static int ars_register(struct acpi_nfit switch (acpi_nfit_query_poison(acpi_desc)) { case 0: + case -ENOSPC: case -EAGAIN: rc = ars_start(acpi_desc, nfit_spa, ARS_REQ_SHORT); /* shouldn't happen, try again later */ @@ -3045,7 +3046,6 @@ static int ars_register(struct acpi_nfit break; case -EBUSY: case -ENOMEM: - case -ENOSPC: /* * BIOS was using ARS, wait for it to complete (or * resources to become available) and then perform our
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