Commit 0cc482ee authored Oct 11, 2016 by Guozhonghua Committed by Linus Torvalds Oct 11, 2016

ocfs2: fix memory leak in dlm_migrate_request_handler()

In the dlm_migrate_request_handler(), when `ret' is -EEXIST, the mle
should be freed, otherwise the memory will be leaked.

Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA4A3D3522A@H3CMLB12-EX.srv.huawei-3com.com


Signed-off-by: Guozhonghua <guozhonghua@h3c.com>
Reviewed-by: Mark Fasheh <mfasheh@versity.com>
Cc: Eric Ren <zren@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1689c73a

fs/ocfs2/dlm/dlmmaster.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -3188,6 +3188,9 @@ int dlm_migrate_request_handler(struct o2net_msg msg, u32 len, void data,
	migrate->new_master,		migrate->new_master,
	migrate->master);		migrate->master);

			if (ret < 0)
			kmem_cache_free(dlm_mle_cache, mle);

	spin_unlock(&dlm->master_lock);		spin_unlock(&dlm->master_lock);
	unlock:		unlock:
	spin_unlock(&dlm->spinlock);		spin_unlock(&dlm->spinlock);