[PATCH 4.9 13/44] platform/x86: alienware-wmi: Correct a memory leak

[Greg Kroah-Hartman]

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

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

From: Mario Limonciello <mario.limoncie...@dell.com>

commit ff0e9f26288d2daee4950f42b37a3d3d30d36ec1 upstream.

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

Signed-off-by: Mario Limonciello <mario.limoncie...@dell.com>
Cc: sta...@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvh...@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.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
@@ -518,6 +518,7 @@ static acpi_status alienware_wmax_comman
                if (obj && obj->type == ACPI_TYPE_INTEGER)
                        *out_data = (u32) obj->integer.value;
        }
+       kfree(output.pointer);
        return status;
 
 }