r8169: runtime resume before shutdown.

[pandora-kernel.git] / drivers / target / target_core_device.c

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index ba5edec..f8773ae 100644 (file)
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_cmd->se_lun = deve->se_lun;
                se_cmd->pr_res_key = deve->pr_res_key;
                se_cmd->orig_fe_lun = unpacked_lun;
-               se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
        }
        spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
                se_cmd->orig_fe_lun = 0;
-               se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
                se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
        }
        /*
@@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
                se_lun = deve->se_lun;
                se_cmd->pr_res_key = deve->pr_res_key;
                se_cmd->orig_fe_lun = unpacked_lun;
-               se_cmd->se_orig_obj_ptr = se_cmd->se_dev;
        }
        spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
 
@@ -661,7 +658,9 @@ int target_report_luns(struct se_task *se_task)
        unsigned char *buf;
        u32 cdb_offset = 0, lun_count = 0, offset = 8, i;
 
-       buf = transport_kmap_first_data_page(se_cmd);
+       buf = transport_kmap_data_sg(se_cmd);
+       if (!buf)
+               return -ENOMEM;
 
        /*
         * If no struct se_session pointer is present, this struct se_cmd is
@@ -699,16 +698,16 @@ int target_report_luns(struct se_task *se_task)
         * See SPC3 r07, page 159.
         */
 done:
-       transport_kunmap_first_data_page(se_cmd);
        lun_count *= 8;
        buf[0] = ((lun_count >> 24) & 0xff);
        buf[1] = ((lun_count >> 16) & 0xff);
        buf[2] = ((lun_count >> 8) & 0xff);
        buf[3] = (lun_count & 0xff);
+       transport_kunmap_data_sg(se_cmd);
 
        se_task->task_scsi_status = GOOD;
        transport_complete_task(se_task, 1);
-       return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+       return 0;
 }
 
 /*     se_release_device_for_hba():
@@ -957,8 +956,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
                return -EINVAL;
        }
 
-       pr_err("dpo_emulated not supported\n");
-       return -EINVAL;
+       if (flag) {
+               pr_err("dpo_emulated not supported\n");
+               return -EINVAL;
+       }
+
+       return 0;
 }
 
 int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
@@ -968,7 +971,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
                return -EINVAL;
        }
 
-       if (dev->transport->fua_write_emulated == 0) {
+       if (flag && dev->transport->fua_write_emulated == 0) {
                pr_err("fua_write_emulated not supported\n");
                return -EINVAL;
        }
@@ -985,8 +988,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
                return -EINVAL;
        }
 
-       pr_err("ua read emulated not supported\n");
-       return -EINVAL;
+       if (flag) {
+               pr_err("ua read emulated not supported\n");
+               return -EINVAL;
+       }
+
+       return 0;
 }
 
 int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
@@ -995,7 +1002,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
                pr_err("Illegal value %d\n", flag);
                return -EINVAL;
        }
-       if (dev->transport->write_cache_emulated == 0) {
+       if (flag && dev->transport->write_cache_emulated == 0) {
                pr_err("write_cache_emulated not supported\n");
                return -EINVAL;
        }
@@ -1056,7 +1063,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
         * We expect this value to be non-zero when generic Block Layer
         * Discard supported is detected iblock_create_virtdevice().
         */
-       if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+       if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                pr_err("Generic Block Discard not supported\n");
                return -ENOSYS;
        }
@@ -1077,7 +1084,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
         * We expect this value to be non-zero when generic Block Layer
         * Discard supported is detected iblock_create_virtdevice().
         */
-       if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+       if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
                pr_err("Generic Block Discard not supported\n");
                return -ENOSYS;
        }
@@ -1587,7 +1594,6 @@ int core_dev_setup_virtual_lun0(void)
                ret = -ENOMEM;
                goto out;
        }
-       INIT_LIST_HEAD(&se_dev->se_dev_node);
        INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
        spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
        INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);