hw/net: Make NetCanReceive() return a boolean

The NetCanReceive handler return whether the device can or
can not receive new packets. Make it obvious by returning
a boolean type.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/net/allwinner_emac.c b/hw/net/allwinner_emac.c
index e9bbff8710..ddddf35c45 100644
--- a/hw/net/allwinner_emac.c
+++ b/hw/net/allwinner_emac.c
@@ -178,7 +178,7 @@ static uint32_t fifo8_pop_word(Fifo8 *fifo)
     return ret;
 }
 
-static int aw_emac_can_receive(NetClientState *nc)
+static bool aw_emac_can_receive(NetClientState *nc)
 {
     AwEmacState *s = qemu_get_nic_opaque(nc);