[PATCH 3/8] audit: make use of remaining sleep time from wait_for_auditd
If wait_for_auditd() times out, go immediately to the error function rather
than retesting the loop conditions.
Signed-off-by: Richard Guy Briggs <rgb(a)redhat.com>
---
kernel/audit.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/kernel/audit.c b/kernel/audit.c
index 772725e..42c68db 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1054,18 +1054,21 @@ static inline void audit_get_stamp(struct audit_context *ctx,
/*
* Wait for auditd to drain the queue a little
*/
-static void wait_for_auditd(unsigned long sleep_time)
+static unsigned long wait_for_auditd(unsigned long sleep_time)
{
+ unsigned long timeout = sleep_time;
DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&audit_backlog_wait, &wait);
if (audit_backlog_limit &&
skb_queue_len(&audit_skb_queue) > audit_backlog_limit)
- schedule_timeout(sleep_time);
+ timeout = schedule_timeout(sleep_time);
__set_current_state(TASK_RUNNING);
remove_wait_queue(&audit_backlog_wait, &wait);
+
+ return timeout;
}
/* Obtain an audit buffer. This routine does locking to obtain the
@@ -1119,8 +1122,9 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx,
gfp_t gfp_mask,
sleep_time = timeout_start + audit_backlog_wait_time -
jiffies;
if ((long)sleep_time > 0) {
- wait_for_auditd(sleep_time);
- continue;
+ sleep_time = wait_for_auditd(sleep_time);
+ if ((long)sleep_time > 0)
+ continue;
}
}
if (audit_rate_check() && printk_ratelimit())
--
1.7.1