--- zzzz-none-000/linux-3.10.107/arch/um/include/shared/kern_util.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/um/include/shared/kern_util.h	2021-02-04 17:41:59.000000000 +0000
@@ -22,7 +22,8 @@
 extern unsigned long alloc_stack(int order, int atomic);
 extern void free_stack(unsigned long stack, int order);
 
-extern int do_signal(void);
+struct pt_regs;
+extern void do_signal(struct pt_regs *regs);
 extern void interrupt_end(void);
 extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs);