diff options
Diffstat (limited to 'hw/usb-net.c')
| -rw-r--r-- | hw/usb-net.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/usb-net.c b/hw/usb-net.c index d8d5e773f5..0e80ca6923 100644 --- a/hw/usb-net.c +++ b/hw/usb-net.c @@ -1369,7 +1369,7 @@ static int usb_net_handle_data(USBDevice *dev, USBPacket *p) return ret; } -static void usbnet_receive(VLANClientState *vc, const uint8_t *buf, size_t size) +static ssize_t usbnet_receive(VLANClientState *vc, const uint8_t *buf, size_t size) { USBNetState *s = vc->opaque; struct rndis_packet_msg_type *msg; @@ -1377,9 +1377,9 @@ static void usbnet_receive(VLANClientState *vc, const uint8_t *buf, size_t size) if (s->rndis) { msg = (struct rndis_packet_msg_type *) s->in_buf; if (!s->rndis_state == RNDIS_DATA_INITIALIZED) - return; + return -1; if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf)) - return; + return -1; memset(msg, 0, sizeof(struct rndis_packet_msg_type)); msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG); @@ -1398,11 +1398,12 @@ static void usbnet_receive(VLANClientState *vc, const uint8_t *buf, size_t size) s->in_len = size + sizeof(struct rndis_packet_msg_type); } else { if (size > sizeof(s->in_buf)) - return; + return -1; memcpy(s->in_buf, buf, size); s->in_len = size; } s->in_ptr = 0; + return size; } static int usbnet_can_receive(VLANClientState *vc) |