From 3dd3c4503be013a67f24d3513172c95acc2eebe4 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 5 Dec 2016 11:42:09 +0000
Subject: [PATCH] Release DMAR table after using it.

Reported and tested by:	hps
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
---
 sys/x86/iommu/intel_drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/x86/iommu/intel_drv.c b/sys/x86/iommu/intel_drv.c
index 5f7043bcec8..05ffdba2ddf 100644
--- a/sys/x86/iommu/intel_drv.c
+++ b/sys/x86/iommu/intel_drv.c
@@ -109,6 +109,7 @@ dmar_iterate_tbl(dmar_iter_t iter, void *arg)
 		if (!iter(dmarh, arg))
 			break;
 	}
+	AcpiPutTable((ACPI_TABLE_HEADER *)dmartbl);
 }
 
 struct find_iter_args {
@@ -184,6 +185,7 @@ dmar_identify(driver_t *driver, device_t parent)
 		    (unsigned)dmartbl->Flags,
 		    "\020\001INTR_REMAP\002X2APIC_OPT_OUT");
 	}
+	AcpiPutTable((ACPI_TABLE_HEADER *)dmartbl);
 
 	dmar_iterate_tbl(dmar_count_iter, NULL);
 	if (dmar_devcnt == 0)