platform/x86: alienware-wmi: Correct a memory leak

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

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
index d975462a4c57..f10af5c383c5 100644
--- a/drivers/platform/x86/alienware-wmi.c
+++ b/drivers/platform/x86/alienware-wmi.c
@@ -536,6 +536,7 @@ static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args,
                 if (obj && obj->type == ACPI_TYPE_INTEGER)
                         *out_data = (u32) obj->integer.value;
         }
+        kfree(output.pointer);
         return status;
 
 }