console: make panic()'s declaration noreturn

Instead of attaching the __noreturn annotation to the definition,
attach it to the declaration of panic() to make callers aware that
this function won't return.

Signed-off-by: Mathias Krause <minipli@grsecurity.net>

Author: minipli-oss

common/console.c

@@ -122,7 +122,7 @@ void register_console_callback(console_callback_t cb, void *arg) {
     console_callbacks[num_console_callbacks++].arg = arg;
 }
 
-void __noreturn panic(const char *fmt, ...) {
+void panic(const char *fmt, ...) {
     va_list args;
 
     printk("************** PANIC **************\n");

include/console.h

@@ -51,7 +51,7 @@ extern void fb_console_write(void *arg, const char *buf, size_t len);
 
 extern void register_console_callback(console_callback_t func, void *arg);
 
-extern void panic(const char *fmt, ...);
+extern void panic(const char *fmt, ...) __noreturn;
 extern void warning(const char *fmt, ...);
 
 #endif /* KTF_CONSOLE_H */