diff options
Diffstat (limited to 'drivers/target/target_core_rd.c')
| -rw-r--r-- | drivers/target/target_core_rd.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index ddc216c9f1f6..5f23f341f8d3 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -410,7 +410,7 @@ static sense_reason_t rd_do_prot_rw(struct se_cmd *cmd, bool is_read) u32 prot_offset, prot_page; u32 prot_npages __maybe_unused; u64 tmp; - sense_reason_t rc = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + sense_reason_t rc = 0; tmp = cmd->t_task_lba * se_dev->prot_length; prot_offset = do_div(tmp, PAGE_SIZE); @@ -423,13 +423,14 @@ static sense_reason_t rd_do_prot_rw(struct se_cmd *cmd, bool is_read) prot_sg = &prot_table->sg_table[prot_page - prot_table->page_start_offset]; - if (is_read) - rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0, - prot_sg, prot_offset); - else - rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0, - cmd->t_prot_sg, 0); - + if (se_dev->dev_attrib.pi_prot_verify) { + if (is_read) + rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0, + prot_sg, prot_offset); + else + rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0, + cmd->t_prot_sg, 0); + } if (!rc) sbc_dif_copy_prot(cmd, sectors, is_read, prot_sg, prot_offset); |