ring-buffer: Wrap open-coded WARN_ONCE

Wrap open-coded WARN_ONCE functionality into the equivalent macro.

Signed-off-by: Borislav Petkov <bp@alien8.de>
LKML-Reference: <20100502060354.GA5281@liondog.tnic>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 2a09044..7f6059c 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2000,17 +2000,13 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
                  u64 *ts, u64 *delta)
 {
        struct ring_buffer_event *event;
-       static int once;
        int ret;
 
-       if (unlikely(*delta > (1ULL << 59) && !once++)) {
-               printk(KERN_WARNING "Delta way too big! %llu"
-                      " ts=%llu write stamp = %llu\n",
-                      (unsigned long long)*delta,
-                      (unsigned long long)*ts,
-                      (unsigned long long)cpu_buffer->write_stamp);
-               WARN_ON(1);
-       }
+       WARN_ONCE(*delta > (1ULL << 59),
+                 KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n",
+                 (unsigned long long)*delta,
+                 (unsigned long long)*ts,
+                 (unsigned long long)cpu_buffer->write_stamp);
 
        /*
         * The delta is too big, we to add a