diff options
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 2f74e17ad3e6..facee5f74fa4 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -391,10 +391,19 @@ iblock_execute_unmap(struct se_cmd *cmd) sense_reason_t ret = 0; int dl, bd_dl, err; + /* We never set ANC_SUP */ + if (cmd->t_task_cdb[1]) + return TCM_INVALID_CDB_FIELD; + + if (cmd->data_length == 0) { + target_complete_cmd(cmd, SAM_STAT_GOOD); + return 0; + } + if (cmd->data_length < 8) { pr_warn("UNMAP parameter list length %u too small\n", cmd->data_length); - return TCM_INVALID_PARAMETER_LIST; + return TCM_PARAMETER_LIST_LENGTH_ERROR; } buf = transport_kmap_data_sg(cmd); |