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ring-buffer: remove useless warn on check

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A check if "write > BUF_PAGE_SIZE" is done right after a

	if (write > BUF_PAGE_SIZE)
		return ...;

Thus the check is actually testing the compiler and not the
kernel. This is useless, remove it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt
2009-06-11 09:49:15 -04:00
committed by Steven Rostedt
parent 22f470f8da
commit c6a9d7b55e
1 changed files with 0 additions and 3 deletions
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3
kernel/trace/ring_buffer.c
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@@ -1334,9 +1334,6 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
/* We reserved something on the buffer */ /* We reserved something on the buffer */
if (RB_WARN_ON(cpu_buffer, write > BUF_PAGE_SIZE))
return NULL;
event = __rb_page_index(tail_page, tail); event = __rb_page_index(tail_page, tail);
rb_update_event(event, type, length); rb_update_event(event, type, length);