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authorRafael J. Wysocki <rjw@sisk.pl>2010-11-25 02:03:32 +0300
committerLen Brown <len.brown@intel.com>2010-12-02 00:53:39 +0300
commit12b3b5afed67e08aa641d30e57df20dab2e33432 (patch)
tree426ff6eb6f25ff8a3641ce74f597d44536034c64 /drivers/acpi/power.c
parent212967c69afd348342548272aedbe4d46a9325d6 (diff)
downloadlinux-12b3b5afed67e08aa641d30e57df20dab2e33432.tar.xz
ACPI / PM: Do not refcount power resources that can't be turned on
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> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/power.c')
-rw-r--r--drivers/acpi/power.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 792a8309d074..4c9c2fb5d98f 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -213,11 +213,13 @@ static int acpi_power_on(acpi_handle handle)
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)