iommu/exynos: use list_del_init instead of list_del/INIT_LIST_HEAD

Using list_del_init() instead of list_del() + INIT_LIST_HEAD().

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 80bad32aa463..7fe44f83cc37 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -840,8 +840,7 @@ static void exynos_iommu_detach_device(struct iommu_domain *domain,
         if (__exynos_sysmmu_disable(data)) {
                 dev_dbg(dev, "%s: Detached IOMMU with pgtable %#lx\n",
                                         __func__, __pa(priv->pgtable));
-                list_del(&data->node);
-                INIT_LIST_HEAD(&data->node);
+                list_del_init(&data->node);
 
         } else {
                 dev_dbg(dev, "%s: Detaching IOMMU with pgtable %#lx delayed",