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ring-buffer: Wrap open-coded WARN_ONCE

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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>
This commit is contained in:
Borislav Petkov
2010-05-02 08:03:54 +02:00
committed by Steven Rostedt
parent 4dbf6bc239
commit 956097912c
1 changed files with 5 additions and 9 deletions
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14
kernel/trace/ring_buffer.c
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@@ -2000,17 +2000,13 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
u64 *ts, u64 *delta) u64 *ts, u64 *delta)
{ {
struct ring_buffer_event *event; struct ring_buffer_event *event;
static int once;
int ret; int ret;
if (unlikely(*delta > (1ULL << 59) && !once++)) { WARN_ONCE(*delta > (1ULL << 59),
printk(KERN_WARNING "Delta way too big! %llu" KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n",
" ts=%llu write stamp = %llu\n", (unsigned long long)*delta,
(unsigned long long)*delta, (unsigned long long)*ts,
(unsigned long long)*ts, (unsigned long long)cpu_buffer->write_stamp);
(unsigned long long)cpu_buffer->write_stamp);
WARN_ON(1);
}
/* /*
* The delta is too big, we to add a * The delta is too big, we to add a