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>

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 6b17a11..6cf340e 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -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);