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lsm_audit: don't specify the audit pre/post callbacks in 'struct common_audit_data'

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It just bloats the audit data structure for no good reason, since the
only time those fields are filled are just before calling the
common_lsm_audit() function, which is also the only user of those
fields.

So just make them be the arguments to common_lsm_audit(), rather than
bloating that structure that is passed around everywhere, and is
initialized in hot paths.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds
2012-04-02 15:48:12 -07:00
parent 3f0882c482
commit b61c37f579
5 changed files with 15 additions and 17 deletions
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7
include/linux/lsm_audit.h
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@@ -82,9 +82,6 @@ struct common_audit_data {
struct apparmor_audit_data *apparmor_audit_data;
#endif
}; /* per LSM data pointer union */
/* these callback will be implemented by a specific LSM */
void (*lsm_pre_audit)(struct audit_buffer *, void *);
void (*lsm_post_audit)(struct audit_buffer *, void *);
};
#define v4info fam.v4
@@ -101,6 +98,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
{ memset((_d), 0, sizeof(struct common_audit_data)); \
(_d)->type = LSM_AUDIT_DATA_##_t; }
void common_lsm_audit(struct common_audit_data *a);
void common_lsm_audit(struct common_audit_data *a,
void (*pre_audit)(struct audit_buffer *, void *),
void (*post_audit)(struct audit_buffer *, void *));
#endif