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From: Patrick Pannuto <ppannuto@codeaurora.org>
To: linux-kernel@vger.kernel.org
Cc: ppannuto@codeaurora.org, Mark Fasheh <mfasheh@suse.com>,
	Joel Becker <joel.becker@oracle.com>,
	Stephen Hemminger <shemminger@vyatta.com>,
	Jens Axboe <jens.axboe@oracle.com>,
	David Teigland <teigland@redhat.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 5/6] ocfs2: Fix memory leak on mlog_sys_init error path
Date: Thu, 22 Jul 2010 15:09:05 -0700	[thread overview]
Message-ID: <1279836546-26913-6-git-send-email-ppannuto@codeaurora.org> (raw)
In-Reply-To: <1279836546-26913-1-git-send-email-ppannuto@codeaurora.org>

This leak is the same as the bus path; mlog_kset.kobj.name is
set, but kset_register fails, thus nothing will ever call
kset_unregister and name will be leaked

Signed-off-by: Patrick Pannuto <ppannuto@codeaurora.org>
---
 fs/ocfs2/cluster/masklog.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index c7fba39..de715d4 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -154,6 +154,7 @@ static struct kset mlog_kset = {
 int mlog_sys_init(struct kset *o2cb_kset)
 {
 	int i = 0;
+	int ret;
 
 	while (mlog_attrs[i].attr.mode) {
 		mlog_attr_ptrs[i] = &mlog_attrs[i].attr;
@@ -163,7 +164,11 @@ int mlog_sys_init(struct kset *o2cb_kset)
 
 	kobject_set_name(&mlog_kset.kobj, "logmask");
 	mlog_kset.kobj.kset = o2cb_kset;
-	return kset_register(&mlog_kset);
+
+	ret = kset_register(&mlog_kset);
+	if (ret)
+		kfree(mlog_kset.kobj.name);
+	return ret;
 }
 
 void mlog_sys_shutdown(void)
-- 
1.7.2

WARNING: multiple messages have this Message-ID (diff)
From: Patrick Pannuto <ppannuto@codeaurora.org>
To: linux-kernel@vger.kernel.org
Cc: ppannuto@codeaurora.org, Mark Fasheh <mfasheh@suse.com>,
	Joel Becker <joel.becker@oracle.com>,
	Stephen Hemminger <shemminger@vyatta.com>,
	Jens Axboe <jens.axboe@oracle.com>,
	David Teigland <teigland@redhat.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	ocfs2-devel@oss.oracle.com
Subject: [PATCH 5/6] ocfs2: Fix memory leak on mlog_sys_init error path
Date: Thu, 22 Jul 2010 15:09:05 -0700	[thread overview]
Message-ID: <1279836546-26913-6-git-send-email-ppannuto@codeaurora.org> (raw)
In-Reply-To: <1279836546-26913-1-git-send-email-ppannuto@codeaurora.org>

This leak is the same as the bus path; mlog_kset.kobj.name is
set, but kset_register fails, thus nothing will ever call
kset_unregister and name will be leaked

Signed-off-by: Patrick Pannuto <ppannuto@codeaurora.org>
---
 fs/ocfs2/cluster/masklog.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index c7fba39..de715d4 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -154,6 +154,7 @@ static struct kset mlog_kset = {
 int mlog_sys_init(struct kset *o2cb_kset)
 {
 	int i = 0;
+	int ret;
 
 	while (mlog_attrs[i].attr.mode) {
 		mlog_attr_ptrs[i] = &mlog_attrs[i].attr;
@@ -163,7 +164,11 @@ int mlog_sys_init(struct kset *o2cb_kset)
 
 	kobject_set_name(&mlog_kset.kobj, "logmask");
 	mlog_kset.kobj.kset = o2cb_kset;
-	return kset_register(&mlog_kset);
+
+	ret = kset_register(&mlog_kset);
+	if (ret)
+		kfree(mlog_kset.kobj.name);
+	return ret;
 }
 
 void mlog_sys_shutdown(void)
-- 
1.7.2


  parent reply	other threads:[~2010-07-22 22:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-22 22:09 Possible memory leaks on driver core error paths Patrick Pannuto
2010-07-22 22:09 ` [PATCH 1/6] Driver core: Fix potential memory leak Patrick Pannuto
2010-07-22 23:39   ` Greg KH
2010-07-22 22:09 ` [PATCH 2/6] Driver core: Fix memory leak on bus_register error path Patrick Pannuto
2010-07-22 23:41   ` Greg KH
2010-07-24  1:19     ` Patrick Pannuto
2010-07-24  1:48       ` Patrick Pannuto
2010-07-27  0:00         ` Greg KH
2010-07-26 23:45       ` Greg KH
2010-07-22 22:09 ` [PATCH 3/6] Driver core: Fix memory leak on class_register " Patrick Pannuto
2010-07-22 23:41   ` Greg KH
2010-07-22 22:09 ` [PATCH 4/6] Driver core: Fix memory leak on sysdev_class_register " Patrick Pannuto
2010-07-22 23:41   ` Greg KH
2010-07-22 22:09 ` Patrick Pannuto [this message]
2010-07-22 22:09   ` [PATCH 5/6] ocfs2: Fix memory leak on mlog_sys_init " Patrick Pannuto
2010-07-23 17:01   ` [Ocfs2-devel] " Pekka Enberg
2010-07-23 17:01     ` Pekka Enberg
2010-07-22 22:09 ` [PATCH 6/6] kobj: Fix memory leak on error path of kset_create_and_add Patrick Pannuto
2010-07-22 23:43   ` Greg KH

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