linux-kernel - [PATCH 4.18 43/88] platform/x86: alienware-wmi: Correct a memory leak

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Message-Id: <20180927090306.010176810@linuxfoundation.org>
Date:   Thu, 27 Sep 2018 11:03:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Mario Limonciello <mario.limonciello@...l.com>,
        "Darren Hart (VMware)" <dvhart@...radead.org>
Subject: [PATCH 4.18 43/88] platform/x86: alienware-wmi: Correct a memory leak

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mario Limonciello <mario.limonciello@...l.com>

commit ff0e9f26288d2daee4950f42b37a3d3d30d36ec1 upstream.

An ACPI buffer that was allocated was not being freed after use.

Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>
Cc: stable@...r.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@...radead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/platform/x86/alienware-wmi.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/platform/x86/alienware-wmi.c
+++ b/drivers/platform/x86/alienware-wmi.c
@@ -536,6 +536,7 @@ static acpi_status alienware_wmax_comman
 		if (obj && obj->type == ACPI_TYPE_INTEGER)
 			*out_data = (u32) obj->integer.value;
 	}
+	kfree(output.pointer);
 	return status;
 
 }