Linus, Please pull the latest irq-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus # HEAD: eddf3e9c7c7e4d0707c68d1bb22cc6ec8aef7d4a genirq: Prevent NULL pointer dereference in resend_irqs() Fix a race in the IRQ resend mechanism, which can result in a NULL dereference crash. Thanks, Ingo ------------------> Yunfeng Ye (1): genirq: Prevent NULL pointer dereference in resend_irqs() kernel/irq/resend.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 95414ad3506a..98c04ca5fa43 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -36,6 +36,8 @@ static void resend_irqs(unsigned long arg) irq = find_first_bit(irqs_resend, nr_irqs); clear_bit(irq, irqs_resend); desc = irq_to_desc(irq); + if (!desc) + continue; local_irq_disable(); desc->handle_irq(desc); local_irq_enable();