[PATCH v2 2/4] ima: no need to allocate entry for comment

From: Dmitry Kasatkin
Date: Fri Oct 03 2014 - 07:41:32 EST


If rule is a comment, there is no need to allocate entry.
Move checking for comment before allocating entry.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@xxxxxxxxxxx>
---
security/integrity/ima/ima_policy.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index cdc620b..bf232b9 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -694,6 +694,12 @@ ssize_t ima_parse_add_rule(char *rule)
return -EACCES;
}

+ p = strsep(&rule, "\n");
+ len = strlen(p) + 1;
+
+ if (*p == '#')
+ return len;
+
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry) {
integrity_audit_msg(AUDIT_INTEGRITY_STATUS, NULL,
@@ -703,14 +709,6 @@ ssize_t ima_parse_add_rule(char *rule)

INIT_LIST_HEAD(&entry->list);

- p = strsep(&rule, "\n");
- len = strlen(p) + 1;
-
- if (*p == '#') {
- kfree(entry);
- return len;
- }
-
result = ima_parse_rule(p, entry);
if (result) {
kfree(entry);
--
1.9.1

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