Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[karo-tx-linux.git] / drivers / net / e1000 / e1000_main.c

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index de69c54301c13fe78652c50e07ccfe9eefad441b..bfab14092d2c87b30f3e7bf3d1b72efd542b1d48 100644 (file)
--- 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)
        struct e1000_hw *hw = &adapter->hw;
        u32 icr = er32(ICR);
 
-       if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
+       if (unlikely((!icr)))
                return IRQ_NONE;  /* Not our interrupt */
 
+       /*
+        * we might have caused the interrupt, but the above
+        * read cleared it, and just in case the driver is
+        * down there is nothing to do so return handled
+        */
+       if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
+               return IRQ_HANDLED;
+
        if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
                hw->get_link_status = 1;
                /* guard against interrupt when we're going down */