Commit c6a9d7b5 authored Jun 11, 2009 by Steven Rostedt Committed by Steven Rostedt Jun 16, 2009

ring-buffer: remove useless warn on check



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>

parent 22f470f8

kernel/trace/ring_buffer.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -1334,9 +1334,6 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_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);
		rb_update_event(event, type, length);