audit: don't reset working wait time accidentally with auditd

During a queue overflow condition while we are waiting for auditd to drain the
queue to make room for regular messages, we don't want a successful auditd that
has bypassed the queue check to reset the backlog wait time.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index 2125cc40e921..59d4ceb3b2a6 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1395,7 +1395,8 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
                 return NULL;
         }
 
-        audit_backlog_wait_time = audit_backlog_wait_time_master;
+        if (!reserve)
+                audit_backlog_wait_time = audit_backlog_wait_time_master;
 
         ab = audit_buffer_alloc(ctx, gfp_mask, type);
         if (!ab) {