On 10/09/2014 04:31 AM, Geert Uytterhoeven wrote:
On Tue, Oct 7, 2014 at 7:28 AM, Guenter Roeck <li...@roeck-us.net> wrote:
+int register_poweroff_handler_simple(void (*handler)(void), int priority)
+{
+       char symname[KSYM_NAME_LEN];
+
+       if (poweroff_handler_data.handler) {
+               lookup_symbol_name((unsigned long)poweroff_handler_data.handler,
+                                  symname);
+               pr_warn("Poweroff function already registered (%s)", symname);
+               lookup_symbol_name((unsigned long)handler, symname);
+               pr_cont(", cannot register %s\n", symname);

Doesn't %ps work to look up symbols?

pr_warn("Poweroff function already registered (%ps), cannot register
%ps\n", poweroff_handler_data.handler, handler);


Hi Geert,

That is great. One never stops learning. I'll use that.

Thanks!

Guenter

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