tracing: Use trace_iterator_reset() in tracing_read_pipe()
Currently tracing_read_pipe() open codes trace_iterator_reset(). Just have
it use trace_iterator_reset() instead.
Link: https://lkml.kernel.org/r/20211210202616.64d432d2@gandalf.local.home
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 588de6d..547d826 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6731,10 +6731,9 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
cnt = PAGE_SIZE - 1;
/* reset all but tr, trace, and overruns */
- memset_startat(iter, 0, seq);
+ trace_iterator_reset(iter);
cpumask_clear(iter->started);
trace_seq_init(&iter->seq);
- iter->pos = -1;
trace_event_read_lock();
trace_access_lock(iter->cpu_file);