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Commit e782410e authored by Heiner Kallweit's avatar Heiner Kallweit Committed by David S. Miller
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r8169: improve spurious interrupt detection 



Improve detection of spurious interrupts by checking against the
interrupt mask as currently set in the chip.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b09026c6

drivers/net/ethernet/realtek/r8169.c

+2 −1
Original line number Diff line number Diff line
@@ -6405,8 +6405,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) 
{

	struct rtl8169_private *tp = dev_instance;

	u16 status = rtl_get_events(tp);

	u16 irq_mask = RTL_R16(tp, IntrMask);



	if (status == 0xffff || !(status & tp->irq_mask))

	if (status == 0xffff || !(status & irq_mask))

		return IRQ_NONE;



	if (unlikely(status & SYSErr)) {