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Subject[PATCH 2/7] audit: cull redundancy in audit_rule_change
Date
Re-factor audit_rule_change() to reduce the amount of code redundancy and
simplify the logic.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
---
kernel/auditfilter.c | 20 +++++++-------------
1 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 4a11697..e3378a4 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1064,30 +1064,24 @@ int audit_rule_change(int type, __u32 portid, int seq, void *data,
int err = 0;
struct audit_entry *entry;

+ entry = audit_data_to_entry(data, datasz);
+ if (IS_ERR(entry))
+ return PTR_ERR(entry);
+
switch (type) {
case AUDIT_ADD_RULE:
- entry = audit_data_to_entry(data, datasz);
- if (IS_ERR(entry))
- return PTR_ERR(entry);
-
err = audit_add_rule(entry);
audit_log_rule_change("add_rule", &entry->rule, !err);
- if (err)
- audit_free_rule(entry);
break;
case AUDIT_DEL_RULE:
- entry = audit_data_to_entry(data, datasz);
- if (IS_ERR(entry))
- return PTR_ERR(entry);
-
err = audit_del_rule(entry);
audit_log_rule_change("remove_rule", &entry->rule, !err);
- audit_free_rule(entry);
break;
- default:
- return -EINVAL;
}

+ if (err || type == AUDIT_DEL_RULE)
+ audit_free_rule(entry);
+
return err;
}

--
1.7.1


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