[PATCH 2/7] audit: cull redundancy in audit_rule_change

[Richard Guy Briggs]

Re-factor audit_rule_change() to reduce the amount of code redundancy and
simplify the logic.

Signed-off-by: Richard Guy Briggs <r...@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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/