diff options
| -rw-r--r-- | hw/e1000.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/e1000.c b/hw/e1000.c index a29c944df4..86c5416bd1 100644 --- a/hw/e1000.c +++ b/hw/e1000.c @@ -466,6 +466,8 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp) bytes = split_size; if (tp->size + bytes > msh) bytes = msh - tp->size; + + bytes = MIN(sizeof(tp->data) - tp->size, bytes); pci_dma_read(&s->dev, addr, tp->data + tp->size, bytes); if ((sz = tp->size + bytes) >= hdr && tp->size < hdr) memmove(tp->header, tp->data, hdr); @@ -481,6 +483,7 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp) // context descriptor TSE is not set, while data descriptor TSE is set DBGOUT(TXERR, "TCP segmentaion Error\n"); } else { + split_size = MIN(sizeof(tp->data) - tp->size, split_size); pci_dma_read(&s->dev, addr, tp->data + tp->size, split_size); tp->size += split_size; } |