From mboxrd@z Thu Jan 1 00:00:00 1970 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 Message-ID: <1381837691-3657-1-git-send-email-tianyu.lan@intel.com> Return-path: Received: from mga02.intel.com ([134.134.136.20]:50818 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758566Ab3JOLsh (ORCPT ); Tue, 15 Oct 2013 07:48:37 -0400 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: lenb@kernel.org, rjw@rjwysocki.net Cc: Lan Tianyu , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org 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 --- 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