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tracing: Remove unnecessary WARN_ONCE's from tracing_buffers_splice_read 

WARN shouldn't be used as a means of communicating failure to a userspace programmer.

Link: http://lkml.kernel.org/r/20120725153908.GA25203@redhat.com

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Dave Jones 2012-07-25 11:39:08 -04:00 committed by Steven Rostedt
parent 717a9ef7f3
commit bf3071f5a0
1 changed files with 0 additions and 2 deletions
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2
kernel/trace/trace.c
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@ -4275,13 +4275,11 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos,
return -ENOMEM;
if (*ppos & (PAGE_SIZE - 1)) {
WARN_ONCE(1, "Ftrace: previous read must page-align\n");
ret = -EINVAL;
goto out;
}
if (len & (PAGE_SIZE - 1)) {
WARN_ONCE(1, "Ftrace: splice_read should page-align\n");
if (len < PAGE_SIZE) {
ret = -EINVAL;
goto out;