diff options
| -rw-r--r-- | hw/scsi/esp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 9d3fdb4398..a26a109166 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -578,6 +578,7 @@ static void esp_do_dma(ESPState *s) cmdlen = fifo8_num_used(&s->cmdfifo); trace_esp_do_dma(cmdlen, len); if (s->dma_memory_read) { + len = MIN(len, fifo8_num_free(&s->cmdfifo)); s->dma_memory_read(s->dma_opaque, buf, len); fifo8_push_all(&s->cmdfifo, buf, len); } else { |