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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-12 13:51:03 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-12 13:56:22 +0300 |
| commit | 5117348dea5e3ecbb785cfa1271386fb49332b41 (patch) | |
| tree | 7524eeec3b476588777620d22822743d3b1817c9 | |
| parent | 2fb270f3212a1e6a73f86f76c85caee93aae4386 (diff) | |
| download | linux-5117348dea5e3ecbb785cfa1271386fb49332b41.tar.xz | |
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
| -rw-r--r-- | arch/x86/kernel/irq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 52945da52a94..387b6a0c9e81 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -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); |