diff options
| -rw-r--r-- | hw/net/net_tx_pkt.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/hw/net/net_tx_pkt.c b/hw/net/net_tx_pkt.c index 1f9aa59..1cb1125 100644 --- a/hw/net/net_tx_pkt.c +++ b/hw/net/net_tx_pkt.c @@ -450,11 +450,13 @@ void net_tx_pkt_reset(struct NetTxPkt *pkt) pkt->payload_len = 0; pkt->payload_frags = 0; - assert(pkt->raw); - for (i = 0; i < pkt->raw_frags; i++) { - assert(pkt->raw[i].iov_base); - pci_dma_unmap(pkt->pci_dev, pkt->raw[i].iov_base, pkt->raw[i].iov_len, - DMA_DIRECTION_TO_DEVICE, 0); + if (pkt->max_raw_frags > 0) { + assert(pkt->raw); + for (i = 0; i < pkt->raw_frags; i++) { + assert(pkt->raw[i].iov_base); + pci_dma_unmap(pkt->pci_dev, pkt->raw[i].iov_base, + pkt->raw[i].iov_len, DMA_DIRECTION_TO_DEVICE, 0); + } } pkt->raw_frags = 0; |