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| author | Dmitry Bogdanov <d.bogdanov@yadro.com> | 2022-09-06 13:34:20 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-10-27 01:47:13 +0000 |
| commit | b8908e5e1d1de66e6905fbec7cdfbbf8ac3ecf9a (patch) | |
| tree | ae5cc4ad97b63da4963381f82597017ef00176b9 /drivers/target | |
| parent | bd217b8c3a1f705f2d92d30974412fbd5f43271a (diff) | |
| download | linux-b8908e5e1d1de66e6905fbec7cdfbbf8ac3ecf9a.tar.bz2 | |
scsi: target: core: Check emulate_3pc for RECEIVE COPY
RECEIVE COPY RESULTS is an opcode from 3rd party copy command set and shall
be rejected if emulate_3pc attribute is off like EXTENDED COPY.
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Link: https://lore.kernel.org/r/20220906103421.22348-6-d.bogdanov@yadro.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_xcopy.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 8713cda0c2fb..edf522208285 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -1009,8 +1009,14 @@ sense_reason_t target_do_receive_copy_results(struct se_cmd *se_cmd) { unsigned char *cdb = &se_cmd->t_task_cdb[0]; int sa = (cdb[1] & 0x1f), list_id = cdb[2]; + struct se_device *dev = se_cmd->se_dev; sense_reason_t rc = TCM_NO_SENSE; + if (!dev->dev_attrib.emulate_3pc) { + pr_debug("Third-party copy operations explicitly disabled\n"); + return TCM_UNSUPPORTED_SCSI_OPCODE; + } + pr_debug("Entering target_do_receive_copy_results: SA: 0x%02x, List ID:" " 0x%02x, AL: %u\n", sa, list_id, se_cmd->data_length); |