From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Paul Menage <menage@google.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Containers <containers@lists.linux-foundation.org>,
Serge Hallyn <serue@us.ibm.com>
Subject: [PATCH] devcgroup: use list_for_each_entry_rcu()
Date: Fri, 21 Nov 2008 16:49:24 +0800 [thread overview]
Message-ID: <49267614.5000505@cn.fujitsu.com> (raw)
we should use list_for_each_entry_rcu in RCU read site.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 5ba7870..cd377b9 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -517,7 +517,7 @@ int devcgroup_inode_mknod(int mode, dev_t dev)
dev_cgroup = task_devcgroup(current);
- list_for_each_entry(wh, &dev_cgroup->whitelist, list) {
+ list_for_each_entry_rcu(wh, &dev_cgroup->whitelist, list) {
if (wh->type & DEV_ALL)
goto acc_check;
if ((wh->type & DEV_BLOCK) && !S_ISBLK(mode))
reply other threads:[~2008-11-21 8:52 UTC|newest]
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