diff options
| author | Steven Rostedt | 2009-06-11 15:49:15 +0200 |
|---|---|---|
| committer | Steven Rostedt | 2009-06-17 03:19:26 +0200 |
| commit | c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59 (patch) | |
| tree | f4f275eeba79572e9660da6c0d865d7f2d51075c /kernel | |
| parent | ring-buffer: use BUF_PAGE_HDR_SIZE in calculating index (diff) | |
| download | kernel-qcow2-linux-c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59.tar.gz kernel-qcow2-linux-c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59.tar.xz kernel-qcow2-linux-c6a9d7b55e2df63de012a9a285bf2a0bee8e4d59.zip | |
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 6b17a11e42a2..6cf340e1a4a3 100644 --- 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); |