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| author |   zhong jiang <zhongjiang@huawei.com> | 2018-09-26 20:09:32 +0800 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-10-03 15:40:02 +1000 |
| commit | cd5ff94577e004e0a4457e70d0ef3a030f4010b8 (patch) | |
| tree | 968e90737f40eac4361feacf9ef74847cfa5a780 /arch/powerpc/sysdev | |
| parent | powerpc/pseries: Fix how we iterate over the DTL entries (diff) | |
| download | linux-dev-cd5ff94577e004e0a4457e70d0ef3a030f4010b8.tar.xz linux-dev-cd5ff94577e004e0a4457e70d0ef3a030f4010b8.zip | |
powerpc/xive: Move a dereference below a NULL test
Move the dereference of xc below the NULL test.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 7 |
1 files changed, 4 insertions, 3 deletions
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); } |