Messages in this thread Patch in this message | | | From | Lan Tianyu <> | Subject | [PATCH] ACPI/Power: Release resource_lock after acpi_power_get_state() return error | Date | Tue, 15 Oct 2013 19:48:11 +0800 |
| |
resource_lock should be released when acpi_power_get_state() fails and before passing to next power resource on the acpi power resource list.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> --- drivers/acpi/power.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 0dbe5cd..0c1c3ec 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -936,8 +936,10 @@ void acpi_resume_power_resources(void) mutex_lock(&resource->resource_lock); result = acpi_power_get_state(resource->device.handle, &state); - if (result) + if (result) { + mutex_unlock(&resource->resource_lock); continue; + } if (state == ACPI_POWER_RESOURCE_STATE_OFF && resource->ref_count) { -- 1.8.2.1
| |