Merge branch 'x86/irq' into x86/apic

Merge reason:
	Conflicts in arch/x86/kernel/apic/io_apic.c

Resolved Conflicts:
	arch/x86/kernel/apic/io_apic.c

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index d339464dc15e..91c523099804 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -295,7 +295,9 @@ static irqreturn_t btuart_interrupt(int irq, void *dev_inst)
         int iir, lsr;
         irqreturn_t r = IRQ_NONE;
 
-        BUG_ON(!info->hdev);
+        if (!info || !info->hdev)
+                /* our irq handler is shared */
+                return IRQ_NONE;
 
         iobase = info->p_dev->io.BasePort1;