diff options
| -rw-r--r-- | hw/scsi-generic.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 5ef4825392..c313749d7e 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -310,9 +310,9 @@ static int get_blocksize(BlockDriverState *bdrv) io_header.timeout = 6000; /* XXX */ ret = bdrv_ioctl(bdrv, SG_IO, &io_header); - if (ret < 0) + if (ret < 0 || io_header.driver_status || io_header.host_status) { return -1; - + } return (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; } @@ -341,9 +341,9 @@ static int get_stream_blocksize(BlockDriverState *bdrv) io_header.timeout = 6000; /* XXX */ ret = bdrv_ioctl(bdrv, SG_IO, &io_header); - if (ret < 0) + if (ret < 0 || io_header.driver_status || io_header.host_status) { return -1; - + } return (buf[9] << 16) | (buf[10] << 8) | buf[11]; } |