tracing: Make tracer_tracing_is_on() return bool

There's code that expects tracer_tracing_is_on() to be either true or false,
not some random number. Currently, it should only return one or zero, but
just in case, change its return value to bool, to enforce it.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2378bb4f14429e76c97b9af24296d2496848090a..2dad27809794c0ff0fe508908465c7395fce8dc3 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1087,7 +1087,7 @@ void disable_trace_on_warning(void)
  *
  * Shows real state of the ring buffer if it is enabled or not.
  */
-int tracer_tracing_is_on(struct trace_array *tr)
+bool tracer_tracing_is_on(struct trace_array *tr)
 {
        if (tr->trace_buffer.buffer)
                return ring_buffer_record_is_on(tr->trace_buffer.buffer);

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index e1c8a1d6f2404c0f3976b6324fd95b8813ef6820..d88cd9bb72f4832d0abe3d4175306579377932d4 100644 (file)
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -594,7 +594,7 @@ void tracing_reset_current(int cpu);
 void tracing_reset_all_online_cpus(void);
 int tracing_open_generic(struct inode *inode, struct file *filp);
 bool tracing_is_disabled(void);
-int tracer_tracing_is_on(struct trace_array *tr);
+bool tracer_tracing_is_on(struct trace_array *tr);
 void tracer_tracing_on(struct trace_array *tr);
 void tracer_tracing_off(struct trace_array *tr);
 struct dentry *trace_create_file(const char *name,