Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH 2/13] ACPI / PM: Do not refcount power resources that can't be turned on | Date | Thu, 25 Nov 2010 00:03:32 +0100 |
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From: Rafael J. Wysocki <rjw@sisk.pl>
If turning on a power resource fails, do not reference count it, since it cannot be in use in that case.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> --- drivers/acpi/power.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6/drivers/acpi/power.c =================================================================== --- linux-2.6.orig/drivers/acpi/power.c +++ linux-2.6/drivers/acpi/power.c @@ -213,11 +213,13 @@ static int acpi_power_on(acpi_handle han resource->name)); } else { result = __acpi_power_on(resource); + if (result) + resource->ref_count--; } mutex_unlock(&resource->resource_lock); - return 0; + return result; } static int acpi_power_off_device(acpi_handle handle)
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