[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1218766832-20476-5-git-send-email-yhlu.kernel@gmail.com>
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/
Powered by blists - more mailing lists