From affab51082174f60ef71ced8ab5fbe71f00e9ae3 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@dell.com>
Date: Mon, 10 Sep 2018 13:01:52 -0500
Subject: [PATCH] platform/x86: dell-smbios-wmi: Correct a memory leak
Git-commit: affab51082174f60ef71ced8ab5fbe71f00e9ae3
Patch-mainline: v4.19-rc5
References: FATE#325842

ACPI buffers were being allocated but never freed.

Reported-by: Pinzhen Xu <pinzhen.xu@intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

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

diff --git a/drivers/platform/x86/dell-smbios-wmi.c b/drivers/platform/x86/dell-smbios-wmi.c
index 88afe5651d24..cf2229ece9ff 100644
--- a/drivers/platform/x86/dell-smbios-wmi.c
+++ b/drivers/platform/x86/dell-smbios-wmi.c
@@ -78,6 +78,7 @@ static int run_smbios_call(struct wmi_device *wdev)
 	dev_dbg(&wdev->dev, "result: [%08x,%08x,%08x,%08x]\n",
 		priv->buf->std.output[0], priv->buf->std.output[1],
 		priv->buf->std.output[2], priv->buf->std.output[3]);
+	kfree(output.pointer);
 
 	return 0;
 }
-- 
2.19.1