diff options
Diffstat (limited to 'block/iscsi.c')
| -rw-r--r-- | block/iscsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index a4ba33b28c..111065d354 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -362,6 +362,12 @@ static int coroutine_fn iscsi_co_writev(BlockDriverState *bs, return -EINVAL; } + if (bs->bl.max_transfer_length && nb_sectors > bs->bl.max_transfer_length) { + error_report("iSCSI Error: Write of %d sectors exceeds max_xfer_len " + "of %d sectors", nb_sectors, bs->bl.max_transfer_length); + return -EINVAL; + } + lba = sector_qemu2lun(sector_num, iscsilun); num_sectors = sector_qemu2lun(nb_sectors, iscsilun); iscsi_co_init_iscsitask(iscsilun, &iTask); @@ -529,6 +535,12 @@ static int coroutine_fn iscsi_co_readv(BlockDriverState *bs, return -EINVAL; } + if (bs->bl.max_transfer_length && nb_sectors > bs->bl.max_transfer_length) { + error_report("iSCSI Error: Read of %d sectors exceeds max_xfer_len " + "of %d sectors", nb_sectors, bs->bl.max_transfer_length); + return -EINVAL; + } + if (iscsilun->lbprz && nb_sectors >= ISCSI_CHECKALLOC_THRES && !iscsi_allocationmap_is_allocated(iscsilun, sector_num, nb_sectors)) { int64_t ret; |