From: Rafael J. Wysocki <rjw@xxxxxxx>
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@xxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/power.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 792a830..4c9c2fb 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)
--
1.7.3.3.480.g2f76a
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