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Old 11-14-2008, 05:30 PM
Tim Gardner
 
Default SRU - LP283126 - sony-laptop: ignore missing _DIS method on pic device

Steve Conklin wrote:
> From 92838c8b1561157239e29a14fb25357e4d4c1d29 Mon Sep 17 00:00:00 2001
> From: Matthew Garrett <mjg59@srcf.ucam.org>
> Date: Wed, 29 Oct 2008 14:01:03 -0700
> Subject: [PATCH] sony-laptop: ignore missing _DIS method on pic device
>
> Bug: #283126
>
> At least the Vaio VGN-Z540N doesn't have this method, so let's not fail
> to suspend just because it doesn't exist.
>
> Signed-off-by: Adam Jackson <ajax@redhat.com>
> Acked-by: Mattia Dongili <malattia@linux.it>
> Cc: Len Brown <lenb@kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Steve Conklin <sconklin@canonical.com>
>
> (cherry picked from commit 6158d3a2323835546c7cf83a170316fa77b726e0)
> ---
> drivers/misc/sony-laptop.c | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
> index 60775be..b35eb92 100644
> --- a/drivers/misc/sony-laptop.c
> +++ b/drivers/misc/sony-laptop.c
> @@ -2315,8 +2315,10 @@ end:
> */
> static int sony_pic_disable(struct acpi_device *device)
> {
> - if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
> - "_DIS", NULL, NULL)))
> + acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
> + NULL);
> +
> + if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
> return -ENXIO;
>
> dprintk("Device disabled
");

ACK - this looks like a candidate for stable. Please forward to
stable@kernel.org

rtg
--
Tim Gardner tim.gardner@canonical.com

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