iommu/exynos: use list_del_init instead of list_del/INIT_LIST_HEAD
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Thu, 6 Sep 2012 04:34:09 +0000 (12:34 +0800)
committerJoerg Roedel <joerg.roedel@amd.com>
Tue, 18 Sep 2012 10:44:02 +0000 (12:44 +0200)
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>
drivers/iommu/exynos-iommu.c

index 80bad32..7fe44f8 100644 (file)
@@ -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",