um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/kernel/process.c

@@ -193,7 +193,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 	if (current->thread.forking) {
 	  	memcpy(&p->thread.regs.regs, &regs->regs,
 		       sizeof(p->thread.regs.regs));
-		UPT_SET_SYSCALL_RETURN(&p->thread.regs.regs, 0);
+		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);
 		if (sp != 0)
 			REGS_SP(p->thread.regs.regs.gp) = sp;
 

arch/um/kernel/skas/syscall.c

@@ -34,7 +34,7 @@ void handle_syscall(struct uml_pt_regs *r)
 		result = -ENOSYS;
 	else result = EXECUTE_SYSCALL(syscall, regs);
 
-	UPT_SET_SYSCALL_RETURN(r, result);
+	PT_REGS_SET_SYSCALL_RETURN(regs, result);
 
 	syscall_trace(r, 1);
 }