From efaf4781a995aacd22b1dd521b14e4644bafae14 Mon Sep 17 00:00:00 2001 From: Eric Blake Date: Thu, 23 Jun 2016 16:37:11 -0600 Subject: [PATCH] scsi: Advertise limits by blocksize, not 512 s->blocksize may be larger than 512, in which case our tweaks to max_xfer_len and opt_xfer_len must be scaled appropriately. CC: qemu-stable@nongnu.org Reported-by: Fam Zheng Signed-off-by: Eric Blake Reviewed-by: Fam Zheng Signed-off-by: Kevin Wolf --- hw/scsi/scsi-generic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 6a2d89afba..75e227de95 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -225,7 +225,8 @@ static void scsi_read_complete(void * opaque, int ret) if (s->type == TYPE_DISK && r->req.cmd.buf[0] == INQUIRY && r->req.cmd.buf[2] == 0xb0) { - uint32_t max_xfer_len = blk_get_max_transfer_length(s->conf.blk); + uint32_t max_xfer_len = blk_get_max_transfer_length(s->conf.blk) / + (s->blocksize / BDRV_SECTOR_SIZE); if (max_xfer_len) { stl_be_p(&r->buf[8], max_xfer_len); /* Also take care of the opt xfer len. */