Commit 5117348d authored Feb 12, 2011 by Thomas Gleixner

x86: Readd missing irq_to_desc() in fixup_irq()



commit a3c08e5d(x86: Convert irq_chip access to new functions)
accidentally zapped desc = irq_to_desc(irq); in the vector loop.
So we lock some random irq descriptor.

Add it back.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@kernel.org> # .37

parent 2fb270f3

arch/x86/kernel/irq.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -367,7 +367,8 @@ void fixup_irqs(void)
		if (irr & (1 << (vector % 32))) {
		irq = __this_cpu_read(vector_irq[vector]);

		data = irq_get_irq_data(irq);
		desc = irq_to_desc(irq);
		data = &desc->irq_data;
		raw_spin_lock(&desc->lock);
		if (data->chip->irq_retrigger)
		data->chip->irq_retrigger(data);

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