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-rw-r--r--qemu/hw/net/e1000.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/qemu/hw/net/e1000.c b/qemu/hw/net/e1000.c
index 5c6bcd001..09c9e9d53 100644
--- a/qemu/hw/net/e1000.c
+++ b/qemu/hw/net/e1000.c
@@ -740,7 +740,8 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
memmove(tp->data, tp->header, tp->hdr_len);
tp->size = tp->hdr_len;
}
- } while (split_size -= bytes);
+ split_size -= bytes;
+ } while (bytes && split_size);
} else if (!tp->tse && tp->cptse) {
// context descriptor TSE is not set, while data descriptor TSE is set
DBGOUT(TXERR, "TCP segmentation error\n");