Message ID | 201804021428.w32ESKRx023722@finist_ce7.work |
---|---|
State | New |
Series | "target: backport bug fixes from the upstream kernel" |
Headers | show
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diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 8a799a8860b7..17889bd68a78 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -913,6 +913,12 @@ 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->transport->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