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kernel/audit_tree.c: tree will leak memory when failure occurs in audit_trim_trees()

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audit_trim_trees() calls get_tree().  If a failure occurs we must call
put_tree().

[akpm@linux-foundation.org: run put_tree() before mutex_lock() for small scalability improvement]
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chen Gang 2013-04-29 15:05:19 -07:00 committed by Linus Torvalds
parent 373e0f3408
commit 12b2f117f3
1 changed files with 1 additions and 1 deletions
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2
kernel/audit_tree.c
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@ -617,9 +617,9 @@ void audit_trim_trees(void)
} }
spin_unlock(&hash_lock); spin_unlock(&hash_lock);
trim_marked(tree); trim_marked(tree);
put_tree(tree);
drop_collected_mounts(root_mnt); drop_collected_mounts(root_mnt);
skip_it: skip_it:
put_tree(tree);
mutex_lock(&audit_filter_mutex); mutex_lock(&audit_filter_mutex);
} }
list_del(&cursor); list_del(&cursor);