From: Lv Zheng <lv.zheng@intel.com>
Date: Thu, 24 Sep 2015 06:54:40 +0000 (+0800)
Subject: ACPI / EC: Fix a memory leak issue in acpi_ec_query()
X-Git-Tag: omap-for-v4.3/fixes-rc5~56^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15b94fa32a422f4b97dc34e4b7060ec83d10bee5;p=pandora-kernel.git

ACPI / EC: Fix a memory leak issue in acpi_ec_query()

When query handler is not found, "result" is actually stil 0, and
"struct acpi_ec_query" is not NULL, so the deletion code of
"struct acpi_ec_query" at the end of the function cannot be invoked.
As a consequence, memory leak can be observed.

The issue is introduced by this commit:
  Commit: 02b771b64b73226052d6e731a0987db3b47281e9
  Subject: ACPI / EC: Fix an issue caused by the serialized _Qxx

This patch fixes such memory leakage.

Fixes: 02b771b64b73 (ACPI / EC: Fix an issue caused by the serialized _Qxx evaluations)
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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