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authorRichard Guy Briggs <rgb@redhat.com>2014-03-26 07:26:47 -0400
committerEric Paris <eparis@redhat.com>2014-09-23 16:37:53 -0400
commit219ca39427bf6c46c4e1473493e33bc00635e99b (patch)
treec619484ff5565d783d29ae867253e1e24bda588e /include/linux/audit.h
parente7df61f4d1ddb7fdd654dde6cd40f7cc398c3932 (diff)
audit: use union for audit_field values since they are mutually exclusive
Since only one of val, uid, gid and lsm* are used at any given time, combine them to reduce the size of the struct audit_field. Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Diffstat (limited to 'include/linux/audit.h')
-rw-r--r--include/linux/audit.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 1ae00891aff9..36dffeccebdb 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -66,12 +66,16 @@ struct audit_krule {
struct audit_field {
u32 type;
- u32 val;
- kuid_t uid;
- kgid_t gid;
+ union {
+ u32 val;
+ kuid_t uid;
+ kgid_t gid;
+ struct {
+ char *lsm_str;
+ void *lsm_rule;
+ };
+ };
u32 op;
- char *lsm_str;
- void *lsm_rule;
};
extern int is_audit_feature_set(int which);