[AUDIT] Fix signedness of 'serial' in various routines.

Attached is a patch that corrects a signed/unsigned warning. I also noticed
that we needlessly init serial to 0. That only needs to occur if the kernel
was compiled without the audit system.

-Steve Grubb

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index e7bff8000d23..aa35422c0c42 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -620,7 +620,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx)
         struct audit_buffer     *ab     = NULL;
         unsigned long           flags;
         struct timespec         t;
-        int                     serial  = 0;
+        unsigned int            serial;
 
         if (!audit_initialized)
                 return NULL;
@@ -669,8 +669,10 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx)
                 audit_get_stamp(ab->ctx, &t, &serial);
         else
 #endif
+        {
                 t = CURRENT_TIME;
-
+                serial = 0;
+        }
         audit_log_format(ab, "audit(%lu.%03lu:%u): ",
                          t.tv_sec, t.tv_nsec/1000000, serial);
         return ab;