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r8169: simplify interrupt handler

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Simplify the interrupt handler a little and make it better readable.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2018-08-10 22:38:29 +02:00 • committed by David S. Miller
commit 05bbe5584f
1 changed files with 7 additions and 12 deletions
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19
drivers/net/ethernet/realtek/r8169.c
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@ -6520,20 +6520,15 @@ release_descriptor:
static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
{
struct rtl8169_private *tp = dev_instance;
int handled = 0;
u16 status;
u16 status = rtl_get_events(tp);
status = rtl_get_events(tp);
if (status && status != 0xffff) {
status &= RTL_EVENT_NAPI | tp->event_slow;
if (status) {
handled = 1;
if (status == 0xffff || !(status & (RTL_EVENT_NAPI | tp->event_slow)))
return IRQ_NONE;
rtl_irq_disable(tp);
napi_schedule_irqoff(&tp->napi);
}
}
return IRQ_RETVAL(handled);
rtl_irq_disable(tp);
napi_schedule_irqoff(&tp->napi);
return IRQ_HANDLED;
}
/*