[PATCH] kernel: auditfilter: resource management, need process treewhen audit_add_watch failed in audit_add_rule

From: Chen Gang
Date: Fri Apr 12 2013 - 04:56:47 EST



need call audit_put_tree, if tree is valid.
just like another area have done in function audit_add_rule.

Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
kernel/auditfilter.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index f9fc54b..81f63f9 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -952,6 +952,12 @@ static inline int audit_add_rule(struct audit_entry *entry)
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;
}
}
--
1.7.7.6
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