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Date: Fri, 22 Mar 2019 12:14:29 +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, Erwin Tsaur <erwin.tsaur@...cle.com>, Toshi Kani <toshi.kani@....com>, Dan Williams <dan.j.williams@...el.com> Subject: [PATCH 4.19 116/280] nfit/ars: Attempt short-ARS even in the no_init_ars case 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Williams <dan.j.williams@...el.com> commit fa3ed4d981b1fc19acdd07fcb152a4bd3706892b upstream. The no_init_ars option is meant to prevent long-ARS, but short-ARS should be allowed to grab any immediate results. Fixes: bc6ba8085842 ("nfit, address-range-scrub: rework and simplify ARS...") Cc: <stable@...r.kernel.org> Reported-by: Erwin Tsaur <erwin.tsaur@...cle.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 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2892,11 +2892,12 @@ static int ars_register(struct acpi_nfit { int rc; - if (no_init_ars || test_bit(ARS_FAILED, &nfit_spa->ars_state)) + if (test_bit(ARS_FAILED, &nfit_spa->ars_state)) return acpi_nfit_register_region(acpi_desc, nfit_spa); set_bit(ARS_REQ_SHORT, &nfit_spa->ars_state); - set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); + if (!no_init_ars) + set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); switch (acpi_nfit_query_poison(acpi_desc)) { case 0:
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