From 17e391dd09f5b257365367ce812a4332dc2c9653 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 22 Jun 2018 14:53:05 -0700 Subject: scsi: target: Send unit attention condition even if the sense buffer is too small Signed-off-by: Bart Van Assche Reviewed-by: Mike Christie Cc: Mike Christie Cc: Christoph Hellwig Cc: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/target/target_core_transport.c | 21 +++++++-------------- 1 file changed, 7 insertions(+), 14 deletions(-) (limited to 'drivers/target/target_core_transport.c') diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index ebbc7e321cf3..a71cfae46805 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -64,7 +64,7 @@ struct kmem_cache *t10_alua_lba_map_cache; struct kmem_cache *t10_alua_lba_map_mem_cache; static void transport_complete_task_attr(struct se_cmd *cmd); -static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason); +static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason); static void transport_handle_queue_full(struct se_cmd *cmd, struct se_device *dev, int err, bool write_pending); static void target_complete_ok_work(struct work_struct *work); @@ -3170,7 +3170,7 @@ static const struct sense_info sense_info_table[] = { }, }; -static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) +static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) { const struct sense_info *si; u8 *buffer = cmd->sense_buffer; @@ -3201,11 +3201,9 @@ static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; scsi_build_sense_buffer(desc_format, buffer, si->key, asc, ascq); if (si->add_sector_info) - return scsi_set_sense_information(buffer, - cmd->scsi_sense_length, - cmd->bad_sector); - - return 0; + WARN_ON_ONCE(scsi_set_sense_information(buffer, + cmd->scsi_sense_length, + cmd->bad_sector) < 0); } int @@ -3222,13 +3220,8 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, cmd->se_cmd_flags |= SCF_SENT_CHECK_CONDITION; spin_unlock_irqrestore(&cmd->t_state_lock, flags); - if (!from_transport) { - int rc; - - rc = translate_sense_reason(cmd, reason); - if (rc) - return rc; - } + if (!from_transport) + translate_sense_reason(cmd, reason); trace_target_cmd_complete(cmd); return cmd->se_tfo->queue_status(cmd); -- cgit v1.2.3