[PATCH] Fix e1000 can_receive handler

[Anthony Liguori <aliguori@xxxxxxxxxx>]

The current logic of the can_receive handler is to allow packets whenever the
receiver is disabled or when there are descriptors available in the ring.

I think the logic ought to be to allow packets whenever the receiver is enabled
and there are descriptors available in the ring.

Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>

diff --git a/qemu/hw/e1000.c b/qemu/hw/e1000.c
index 0728539..01f8983 100644
--- a/qemu/hw/e1000.c
+++ b/qemu/hw/e1000.c
@@ -520,8 +520,8 @@ e1000_can_receive(void *opaque)
 {
     E1000State *s = opaque;
 
-    return (!(s->mac_reg[RCTL] & E1000_RCTL_EN) ||
-            s->mac_reg[RDH] != s->mac_reg[RDT]);
+    return ((s->mac_reg[RCTL] & E1000_RCTL_EN) &&
+	    s->mac_reg[RDH] != s->mac_reg[RDT]);
 }
 
 static void

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