samples: mark {static|__init|__exit} for {init|exit} functions

None of these (init|exit) functions is called from other functions which
is outside the kernel module mechanism or kernel itself, so mark them as
{static|__init|__exit}.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 6 insertions, 6 deletions

diff --git a/samples/tracepoints/tracepoint-probe-sample.c b/samples/tracepoints/tracepoint-probe-sample.c
index e3a964889dc7..9e60eb6ca2d8 100644
--- a/samples/tracepoints/tracepoint-probe-sample.c
+++ b/samples/tracepoints/tracepoint-probe-sample.c
@@ -28,7 +28,7 @@ static void probe_subsys_eventb(void)
         printk(KERN_INFO "Event B is encountered\n");
 }
 
-int __init tp_sample_trace_init(void)
+static int __init tp_sample_trace_init(void)
 {
         int ret;
 
@@ -42,7 +42,7 @@ int __init tp_sample_trace_init(void)
 
 module_init(tp_sample_trace_init);
 
-void __exit tp_sample_trace_exit(void)
+static void __exit tp_sample_trace_exit(void)
 {
         unregister_trace_subsys_eventb(probe_subsys_eventb);
         unregister_trace_subsys_event(probe_subsys_event);
diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c
index 685a5acb4562..be2a960573f1 100644
--- a/samples/tracepoints/tracepoint-probe-sample2.c
+++ b/samples/tracepoints/tracepoint-probe-sample2.c
@@ -18,7 +18,7 @@ static void probe_subsys_event(struct inode *inode, struct file *file)
                 inode->i_ino);
 }
 
-int __init tp_sample_trace_init(void)
+static int __init tp_sample_trace_init(void)
 {
         int ret;
 
@@ -30,7 +30,7 @@ int __init tp_sample_trace_init(void)
 
 module_init(tp_sample_trace_init);
 
-void __exit tp_sample_trace_exit(void)
+static void __exit tp_sample_trace_exit(void)
 {
         unregister_trace_subsys_event(probe_subsys_event);
         tracepoint_synchronize_unregister();
diff --git a/samples/tracepoints/tracepoint-sample.c b/samples/tracepoints/tracepoint-sample.c
index 00d169792a3e..68d5dc0310e4 100644
--- a/samples/tracepoints/tracepoint-sample.c
+++ b/samples/tracepoints/tracepoint-sample.c
@@ -32,7 +32,7 @@ static struct file_operations mark_ops = {
         .open = my_open,
 };
 
-static int example_init(void)
+static int __init example_init(void)
 {
         printk(KERN_ALERT "example init\n");
         pentry_example = proc_create("tracepoint-example", 0444, NULL,
@@ -42,7 +42,7 @@ static int example_init(void)
         return 0;
 }
 
-static void example_exit(void)
+static void __exit example_exit(void)
 {
         printk(KERN_ALERT "example exit\n");
         remove_proc_entry("tracepoint-example", NULL);