From cd5ff94577e004e0a4457e70d0ef3a030f4010b8 Mon Sep 17 00:00:00 2001 From: zhong jiang Date: Wed, 26 Sep 2018 20:09:32 +0800 Subject: powerpc/xive: Move a dereference below a NULL test Move the dereference of xc below the NULL test. Signed-off-by: zhong jiang Signed-off-by: Michael Ellerman --- arch/powerpc/sysdev/xive/common.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 959a2a62f233..9824074ec1b5 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1010,12 +1010,13 @@ static void xive_ipi_eoi(struct irq_data *d) { struct xive_cpu *xc = __this_cpu_read(xive_cpu); - DBG_VERBOSE("IPI eoi: irq=%d [0x%lx] (HW IRQ 0x%x) pending=%02x\n", - d->irq, irqd_to_hwirq(d), xc->hw_ipi, xc->pending_prio); - /* Handle possible race with unplug and drop stale IPIs */ if (!xc) return; + + DBG_VERBOSE("IPI eoi: irq=%d [0x%lx] (HW IRQ 0x%x) pending=%02x\n", + d->irq, irqd_to_hwirq(d), xc->hw_ipi, xc->pending_prio); + xive_do_source_eoi(xc->hw_ipi, &xc->ipi_data); xive_do_queue_eoi(xc); } -- cgit v1.2.3-58-ga151