From ee263a80fc69c9c2144f986961d5ded7543b31a4 Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Fri, 7 Jul 2017 18:39:03 +0800
Subject: [PATCH] vhost: Fix spdk_iommu_mem_unregister

The function body uses VFIO_IOMMU_MAP_DMA which appears to be a
copy&paste mistake, make it VFIO_IOMMU_UNMAP_DMA because we are doing
the opposite of spdk_iommu_mem_register.

Change-Id: If9f3b188178e71ff71221c77c1680b679fec1df0
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-on: https://review.gerrithub.io/368551
Reviewed-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/vhost/vhost_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vhost/vhost_iommu.c b/lib/vhost/vhost_iommu.c
index 24f943793..3a9ca8090 100644
--- a/lib/vhost/vhost_iommu.c
+++ b/lib/vhost/vhost_iommu.c
@@ -306,7 +306,7 @@ int spdk_iommu_mem_unregister(uint64_t addr, uint64_t len)
 	int ret;
 
 	pthread_mutex_lock(&vfio_cfg.map_lock);
-	ret = spdk_vfio_mem_op(addr, len, VFIO_IOMMU_MAP_DMA);
+	ret = spdk_vfio_mem_op(addr, len, VFIO_IOMMU_UNMAP_DMA);
 	pthread_mutex_unlock(&vfio_cfg.map_lock);
 	return ret;
 }