From: Byungchul Park <byungchul.park@lge.com>
Date: Mon, 7 Aug 2017 08:44:45 +0000 (+0900)
Subject: namespace.c: Don't reinvent the wheel but use existing llist API
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=29785735788be2450c5f3b1fda61864aaeca38fd;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

namespace.c: Don't reinvent the wheel but use existing llist API

Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namespace.c b/fs/namespace.c
index f8893dc6a989..ce82a5b2da12 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1124,12 +1124,10 @@ static LLIST_HEAD(delayed_mntput_list);
 static void delayed_mntput(struct work_struct *unused)
 {
 	struct llist_node *node = llist_del_all(&delayed_mntput_list);
-	struct llist_node *next;
+	struct mount *m, *t;
 
-	for (; node; node = next) {
-		next = llist_next(node);
-		cleanup_mnt(llist_entry(node, struct mount, mnt_llist));
-	}
+	llist_for_each_entry_safe(m, t, node, mnt_llist)
+		cleanup_mnt(m);
 }
 static DECLARE_DELAYED_WORK(delayed_mntput_work, delayed_mntput);