Commit 7d77879b authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'trace-fixes-v3.15-rc1' of...

Merge tag 'trace-fixes-v3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "This contains two fixes.

  The first is to remove a duplication of creating debugfs files that
  already exist and causes an error report to be printed due to the
  failure of the second creation.

  The second is a memory leak fix that was introduced in 3.14"

* tag 'trace-fixes-v3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/uprobes: Fix uprobe_cpu_buffer memory leak
  tracing: Do not try to recreated toplevel set_ftrace_* files
parents 87a54cae 6ea6215f
......@@ -58,12 +58,16 @@ int ftrace_create_function_files(struct trace_array *tr,
{
int ret;
/* The top level array uses the "global_ops". */
if (!(tr->flags & TRACE_ARRAY_FL_GLOBAL)) {
ret = allocate_ftrace_ops(tr);
if (ret)
return ret;
}
/*
* The top level array uses the "global_ops", and the files are
* created on boot up.
*/
if (tr->flags & TRACE_ARRAY_FL_GLOBAL)
return 0;
ret = allocate_ftrace_ops(tr);
if (ret)
return ret;
ftrace_create_filter_files(tr->ops, parent);
......
......@@ -732,9 +732,15 @@ static int uprobe_buffer_enable(void)
static void uprobe_buffer_disable(void)
{
int cpu;
BUG_ON(!mutex_is_locked(&event_mutex));
if (--uprobe_buffer_refcnt == 0) {
for_each_possible_cpu(cpu)
free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,
cpu)->buf);
free_percpu(uprobe_cpu_buffer);
uprobe_cpu_buffer = NULL;
}
......
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