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
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1334,9 +1334,6 @@
/* 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);
