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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-04-14 11:55:01 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-04-15 22:47:15 -0700 |
| commit | cceca4a638708c7f62e60f9f99684a8d57358dd0 (patch) | |
| tree | 71eb420754016068690cdbe53398025b7d74bd5e /drivers/target | |
| parent | bffb5128f91e820fd8804307a6431607c2c840a4 (diff) | |
| download | linux-cceca4a638708c7f62e60f9f99684a8d57358dd0.tar.gz linux-cceca4a638708c7f62e60f9f99684a8d57358dd0.tar.bz2 linux-cceca4a638708c7f62e60f9f99684a8d57358dd0.zip | |
target/sbc: Return INVALID_CDB_FIELD if DIF + sess_prot_type disabled
In sbc_check_prot(), if PROTECT is non-zero for a backend device with
DIF disabled, and sess_prot_type is not set go ahead and return
INVALID_CDB_FIELD.
Reviewed-by: Martin Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_sbc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 0064ffe9a219..7006c95586e3 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -702,9 +702,13 @@ sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb, pi_prot_type = cmd->se_sess->sess_prot_type; break; } + if (!protect) + return TCM_NO_SENSE; /* Fallthrough */ default: - return TCM_NO_SENSE; + pr_err("Unable to determine pi_prot_type for CDB: 0x%02x " + "PROTECT: 0x%02x\n", cdb[0], protect); + return TCM_INVALID_CDB_FIELD; } if (sbc_set_prot_op_checks(protect, fabric_prot, pi_prot_type, is_write, cmd)) |