diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r-- | drivers/net/e1000/e1000_main.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index de69c54301c1..bfab14092d2c 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c | |||
@@ -3478,9 +3478,17 @@ static irqreturn_t e1000_intr(int irq, void *data) | |||
3478 | struct e1000_hw *hw = &adapter->hw; | 3478 | struct e1000_hw *hw = &adapter->hw; |
3479 | u32 icr = er32(ICR); | 3479 | u32 icr = er32(ICR); |
3480 | 3480 | ||
3481 | if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags))) | 3481 | if (unlikely((!icr))) |
3482 | return IRQ_NONE; /* Not our interrupt */ | 3482 | return IRQ_NONE; /* Not our interrupt */ |
3483 | 3483 | ||
3484 | /* | ||
3485 | * we might have caused the interrupt, but the above | ||
3486 | * read cleared it, and just in case the driver is | ||
3487 | * down there is nothing to do so return handled | ||
3488 | */ | ||
3489 | if (unlikely(test_bit(__E1000_DOWN, &adapter->flags))) | ||
3490 | return IRQ_HANDLED; | ||
3491 | |||
3484 | if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { | 3492 | if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { |
3485 | hw->get_link_status = 1; | 3493 | hw->get_link_status = 1; |
3486 | /* guard against interrupt when we're going down */ | 3494 | /* guard against interrupt when we're going down */ |