From: Aristeu Rozanski <aris@redhat.com>
To: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org
Cc: Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
James Morris <jmorris@namei.org>,
Pavel Emelyanov <xemul@openvz.org>,
Serge Hallyn <serge.hallyn@canonical.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH v2 2/6] device_cgroup: introduce dev_whitelist_clean()
Date: Tue, 04 Sep 2012 10:34:21 -0400 [thread overview]
Message-ID: <20120904143420.546524755@napanee.usersys.redhat.com> (raw)
In-Reply-To: 20120904143419.892872876@napanee.usersys.redhat.com
[-- Attachment #1: introduce_whitelist_clean.patch --]
[-- Type: text/plain, Size: 1567 bytes --]
This function cleans all the items in a whitelist and will be used by the next
patches.
v2:
- no changes
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: James Morris <jmorris@namei.org>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
---
security/device_cgroup.c | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
Index: github/security/device_cgroup.c
===================================================================
--- github.orig/security/device_cgroup.c 2012-08-21 10:50:34.650810797 -0400
+++ github/security/device_cgroup.c 2012-08-21 10:50:37.526892088 -0400
@@ -157,6 +157,22 @@
}
}
+/**
+ * dev_whitelist_clean - frees all entries of the whitelist
+ * @dev_cgroup: dev_cgroup with the whitelist to be cleaned
+ *
+ * called under devcgroup_mutex
+ */
+static void dev_whitelist_clean(struct dev_cgroup *dev_cgroup)
+{
+ struct dev_whitelist_item *wh, *tmp;
+
+ list_for_each_entry_safe(wh, tmp, &dev_cgroup->whitelist, list) {
+ list_del(&wh->list);
+ kfree(wh);
+ }
+}
+
/*
* called from kernel/cgroup.c with cgroup_lock() held.
*/
@@ -203,13 +219,9 @@
static void devcgroup_destroy(struct cgroup *cgroup)
{
struct dev_cgroup *dev_cgroup;
- struct dev_whitelist_item *wh, *tmp;
dev_cgroup = cgroup_to_devcgroup(cgroup);
- list_for_each_entry_safe(wh, tmp, &dev_cgroup->whitelist, list) {
- list_del(&wh->list);
- kfree(wh);
- }
+ dev_whitelist_clean(dev_cgroup);
kfree(dev_cgroup);
}
next prev parent reply other threads:[~2012-09-04 14:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 14:34 [PATCH v2 0/6] device_cgroup: replace internally whitelist with exception list Aristeu Rozanski
2012-09-04 14:34 ` [PATCH v2 1/6] device_cgroup: add "behavior" in dev_cgroup structure Aristeu Rozanski
2012-09-05 3:00 ` Serge E. Hallyn
2012-09-04 14:34 ` Aristeu Rozanski [this message]
2012-09-05 3:03 ` [PATCH v2 2/6] device_cgroup: introduce dev_whitelist_clean() Serge E. Hallyn
2012-09-04 14:34 ` [PATCH v2 3/6] device_cgroup: convert device_cgroup internally to policy + exceptions Aristeu Rozanski
2012-09-05 3:09 ` Serge E. Hallyn
2012-09-04 14:34 ` [PATCH v2 4/6] device_cgroup: stop using simple_strtoul() Aristeu Rozanski
2012-09-05 3:22 ` Serge E. Hallyn
2012-09-04 14:34 ` [PATCH v2 5/6] device_cgroup: rename whitelist to exception list Aristeu Rozanski
2012-09-05 3:24 ` Serge E. Hallyn
2012-09-04 14:34 ` [PATCH v2 6/6] device_cgroup: introduce a new, more consistent interface for device_cgroup Aristeu Rozanski
2012-09-05 3:27 ` Serge E. Hallyn
2012-09-05 3:30 ` [PATCH v2 0/6] device_cgroup: replace internally whitelist with exception list Serge E. Hallyn
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120904143420.546524755@napanee.usersys.redhat.com \
--to=aris@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=jmorris@namei.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lizefan@huawei.com \
--cc=serge.hallyn@canonical.com \
--cc=tj@kernel.org \
--cc=xemul@openvz.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).