diff options
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_sbc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 4316f7b65fb7..ff4a6ec30adf 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -1005,6 +1005,12 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) break; } case COMPARE_AND_WRITE: + if (!dev->dev_attrib.emulate_caw) { + pr_err_ratelimited("se_device %s/%s (vpd_unit_serial %s) reject" + " COMPARE_AND_WRITE\n", dev->se_hba->backend->ops->name, + dev->dev_group.cg_item.ci_name, dev->t10_wwn.unit_serial); + return TCM_UNSUPPORTED_SCSI_OPCODE; + } sectors = cdb[13]; /* * Currently enforce COMPARE_AND_WRITE for a single sector |