kernel/auditfilter.c: fix leak in audit_add_rule() error path
If both 'tree' and 'watch' are valid we must call audit_put_tree(), just
like the preceding code within audit_add_rule().
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>
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 0ee9eff..3d15c66 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -865,6 +865,12 @@
err = audit_add_watch(&entry->rule, &list);
if (err) {
mutex_unlock(&audit_filter_mutex);
+ /*
+ * normally audit_add_tree_rule() will free it
+ * on failure
+ */
+ if (tree)
+ audit_put_tree(tree);
goto error;
}
}