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Commit cd5ff945 authored by zhong jiang's avatar zhong jiang Committed by Michael Ellerman
Browse files

powerpc/xive: Move a dereference below a NULL test 



Move the dereference of xc below the NULL test.

Signed-off-by: default avatarzhong jiang <zhongjiang@huawei.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 9258227e

arch/powerpc/sysdev/xive/common.c

+4 −3
Original line number Diff line number Diff line
@@ -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);

}