s390/irq: Use irq_desc_kstat_cpu() in show_msi_interrupt()

The irq descriptor is already there, no need to look it up again.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20201210194043.769108348@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-12-10 20:25:48 +01:00
commit ba22d0ede3