audit: use define's for audit version

Give names to the audit versions. Just something for a userspace programmer to know what the version provides. Signed-off-by: Eric Paris <[email protected]>
CamonZ · Jan 14, 2014 · 70249a9 · 70249a9
1 parent d796114
commit 70249a9
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
@@ -320,6 +320,11 @@ enum {
 #define AUDIT_STATUS_RATE_LIMIT		0x0008
 #define AUDIT_STATUS_BACKLOG_LIMIT	0x0010
 #define AUDIT_STATUS_BACKLOG_WAIT_TIME	0x0020
+
+#define AUDIT_VERSION_BACKLOG_LIMIT	1
+#define AUDIT_VERSION_BACKLOG_WAIT_TIME	2
+#define AUDIT_VERSION_LATEST AUDIT_VERSION_BACKLOG_WAIT_TIME
+
 				/* Failure-to-log actions */
 #define AUDIT_FAIL_SILENT	0
 #define AUDIT_FAIL_PRINTK	1

diff --git a/kernel/audit.c b/kernel/audit.c
@@ -792,7 +792,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 		s.backlog_limit		= audit_backlog_limit;
 		s.lost			= atomic_read(&audit_lost);
 		s.backlog		= skb_queue_len(&audit_skb_queue);
-		s.version		= 2;
+		s.version		= AUDIT_VERSION_LATEST;
 		s.backlog_wait_time	= audit_backlog_wait_time;
 		audit_send_reply(NETLINK_CB(skb).portid, seq, AUDIT_GET, 0, 0,
 				 &s, sizeof(s));