diff options
| -rw-r--r-- | hw/sd/sd.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index ba47bff4db..35347a5bbc 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1797,8 +1797,13 @@ uint8_t sd_read_data(SDState *sd) break; case 18: /* CMD18: READ_MULTIPLE_BLOCK */ - if (sd->data_offset == 0) + if (sd->data_offset == 0) { + if (sd->data_start + io_len > sd->size) { + sd->card_status |= ADDRESS_ERROR; + return 0x00; + } BLK_READ_BLOCK(sd->data_start, io_len); + } ret = sd->data[sd->data_offset ++]; if (sd->data_offset >= io_len) { @@ -1812,11 +1817,6 @@ uint8_t sd_read_data(SDState *sd) break; } } - - if (sd->data_start + io_len > sd->size) { - sd->card_status |= ADDRESS_ERROR; - break; - } } break; |