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ACPI / power: Release resource_lock after acpi_power_get_state() return error

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In acpi_resume_power_resources() resource_lock should be released
when acpi_power_get_state() fails and before passing to next power
resource on the list.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lan Tianyu 2013-10-15 19:48:11 +08:00 committed by Rafael J. Wysocki
parent 35f9162d67
commit d7d49012b9
1 changed files with 3 additions and 1 deletions
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4
drivers/acpi/power.c
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@ -936,8 +936,10 @@ void acpi_resume_power_resources(void)
mutex_lock(&resource->resource_lock); mutex_lock(&resource->resource_lock);
result = acpi_power_get_state(resource->device.handle, &state); result = acpi_power_get_state(resource->device.handle, &state);
if (result) if (result) {
mutex_unlock(&resource->resource_lock);
continue; continue;
}
if (state == ACPI_POWER_RESOURCE_STATE_OFF if (state == ACPI_POWER_RESOURCE_STATE_OFF
&& resource->ref_count) { && resource->ref_count) {