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Date: Thu, 14 Aug 2008 19:20:29 -0700 From: Yinghai Lu <yhlu.kernel@...il.com> To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com> Subject: [PATCH 4/7] x86_64: rename irq_desc/irq_desc_with_new - fix need to check if desc is null in smp_irq_move_cleanup Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com> --- arch/x86/kernel/io_apic_64.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 4d1b02d..e4f03cc 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1950,6 +1950,9 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) irq = __get_cpu_var(vector_irq)[vector]; desc = irq_desc(irq); + if (!desc) + continue; + cfg = irq_cfg(irq); spin_lock(&desc->lock); if (!cfg->move_cleanup_count) -- 1.5.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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