s390/ftrace: avoid pointer arithmetics with function pointers

[~andy/linux] / arch / s390 / kernel / runtime_instr.c

diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c
index 077a99389b07919a2e0575b6b46249589f3cf968..e1c9d1c292fa2ce4afa9a7d777b2d1db08024044 100644 (file)
--- a/arch/s390/kernel/runtime_instr.c
+++ b/arch/s390/kernel/runtime_instr.c
@@ -139,10 +139,10 @@ static int __init runtime_instr_init(void)
        if (!runtime_instr_avail())
                return 0;
 
-       measurement_alert_subclass_register();
+       irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
        rc = register_external_interrupt(0x1407, runtime_instr_int_handler);
        if (rc)
-               measurement_alert_subclass_unregister();
+               irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
        else
                pr_info("Runtime instrumentation facility initialized\n");
        return rc;