diff options
| -rw-r--r-- | hw/net/stellaris_enet.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/hw/net/stellaris_enet.c b/hw/net/stellaris_enet.c index 84cf60b303..6880894945 100644 --- a/hw/net/stellaris_enet.c +++ b/hw/net/stellaris_enet.c @@ -236,8 +236,18 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si n = s->next_packet + s->np; if (n >= 31) n -= 31; - s->np++; + if (size >= sizeof(s->rx[n].data) - 6) { + /* If the packet won't fit into the + * emulated 2K RAM, this is reported + * as a FIFO overrun error. + */ + s->ris |= SE_INT_FOV; + stellaris_enet_update(s); + return -1; + } + + s->np++; s->rx[n].len = size + 6; p = s->rx[n].data; *(p++) = (size + 6); |