rv/reactor: add __init/__exit annotations to module init/exit funcs

Add missing __init/__exit annotations to module init/exit funcs.

Link: https://lkml.kernel.org/r/20220906141210.132607-1-xiujianfeng@huawei.com

Fixes: 135b881ea8 ("rv/reactor: Add the printk reactor")
Fixes: e88043c0ac ("rv/reactor: Add the panic reactor")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

kernel/trace/rv/reactor_panic.c

@@ -24,13 +24,13 @@ static struct rv_reactor rv_panic = {
 	.react = rv_panic_reaction
 };
 
-static int register_react_panic(void)
+static int __init register_react_panic(void)
 {
 	rv_register_reactor(&rv_panic);
 	return 0;
 }
 
-static void unregister_react_panic(void)
+static void __exit unregister_react_panic(void)
 {
 	rv_unregister_reactor(&rv_panic);
 }

kernel/trace/rv/reactor_printk.c

@@ -23,13 +23,13 @@ static struct rv_reactor rv_printk = {
 	.react = rv_printk_reaction
 };
 
-static int register_react_printk(void)
+static int __init register_react_printk(void)
 {
 	rv_register_reactor(&rv_printk);
 	return 0;
 }
 
-static void unregister_react_printk(void)
+static void __exit unregister_react_printk(void)
 {
 	rv_unregister_reactor(&rv_printk);
 }