diff options
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 63 | ||||
| -rw-r--r-- | include/scsi/scsi_device.h | 1 |
3 files changed, 32 insertions, 50 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 0547a7f44d42..47291bcff0d5 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -952,16 +952,6 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, return SCSI_SCAN_LUN_PRESENT; } -static inline void scsi_destroy_sdev(struct scsi_device *sdev) -{ - scsi_device_set_state(sdev, SDEV_DEL); - if (sdev->host->hostt->slave_destroy) - sdev->host->hostt->slave_destroy(sdev); - transport_destroy_device(&sdev->sdev_gendev); - put_device(&sdev->sdev_dev); - put_device(&sdev->sdev_gendev); -} - #ifdef CONFIG_SCSI_LOGGING /** * scsi_inq_str - print INQUIRY data from min to max index, strip trailing whitespace @@ -1139,7 +1129,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget, } } } else - scsi_destroy_sdev(sdev); + __scsi_remove_device(sdev); out: return res; } @@ -1500,7 +1490,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, /* * the sdev we used didn't appear in the report luns scan */ - scsi_destroy_sdev(sdev); + __scsi_remove_device(sdev); return ret; } @@ -1710,7 +1700,7 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost) shost_for_each_device(sdev, shost) { if (!scsi_host_scan_allowed(shost) || scsi_sysfs_add_sdev(sdev) != 0) - scsi_destroy_sdev(sdev); + __scsi_remove_device(sdev); } } @@ -1943,7 +1933,7 @@ void scsi_free_host_dev(struct scsi_device *sdev) { BUG_ON(sdev->id != sdev->host->this_id); - scsi_destroy_sdev(sdev); + __scsi_remove_device(sdev); } EXPORT_SYMBOL(scsi_free_host_dev); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 5c7eb63a19d1..392d8db33905 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -854,82 +854,73 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev) transport_configure_device(&starget->dev); error = device_add(&sdev->sdev_gendev); if (error) { - put_device(sdev->sdev_gendev.parent); printk(KERN_INFO "error 1\n"); - return error; + goto out_remove; } error = device_add(&sdev->sdev_dev); if (error) { printk(KERN_INFO "error 2\n"); - goto clean_device; + device_del(&sdev->sdev_gendev); + goto out_remove; } + transport_add_device(&sdev->sdev_gendev); + sdev->is_visible = 1; /* create queue files, which may be writable, depending on the host */ if (sdev->host->hostt->change_queue_depth) error = device_create_file(&sdev->sdev_gendev, &sdev_attr_queue_depth_rw); else error = device_create_file(&sdev->sdev_gendev, &dev_attr_queue_depth); - if (error) { - __scsi_remove_device(sdev); - goto out; - } + if (error) + goto out_remove; + if (sdev->host->hostt->change_queue_type) error = device_create_file(&sdev->sdev_gendev, &sdev_attr_queue_type_rw); else error = device_create_file(&sdev->sdev_gendev, &dev_attr_queue_type); - if (error) { - __scsi_remove_device(sdev); - goto out; - } + if (error) + goto out_remove; error = bsg_register_queue(rq, &sdev->sdev_gendev, NULL, NULL); if (error) + /* we're treating error on bsg register as non-fatal, + * so pretend nothing went wrong */ sdev_printk(KERN_INFO, sdev, "Failed to register bsg queue, errno=%d\n", error); - /* we're treating error on bsg register as non-fatal, so pretend - * nothing went wrong */ - error = 0; - /* add additional host specific attributes */ if (sdev->host->hostt->sdev_attrs) { for (i = 0; sdev->host->hostt->sdev_attrs[i]; i++) { error = device_create_file(&sdev->sdev_gendev, sdev->host->hostt->sdev_attrs[i]); - if (error) { - __scsi_remove_device(sdev); - goto out; - } + if (error) + goto out_remove; } } - transport_add_device(&sdev->sdev_gendev); - out: - return error; - - clean_device: - scsi_device_set_state(sdev, SDEV_CANCEL); - - device_del(&sdev->sdev_gendev); - transport_destroy_device(&sdev->sdev_gendev); - put_device(&sdev->sdev_dev); - put_device(&sdev->sdev_gendev); + return 0; + out_remove: + __scsi_remove_device(sdev); return error; + } void __scsi_remove_device(struct scsi_device *sdev) { struct device *dev = &sdev->sdev_gendev; - if (scsi_device_set_state(sdev, SDEV_CANCEL) != 0) - return; + if (sdev->is_visible) { + if (scsi_device_set_state(sdev, SDEV_CANCEL) != 0) + return; - bsg_unregister_queue(sdev->request_queue); - device_unregister(&sdev->sdev_dev); - transport_remove_device(dev); - device_del(dev); + bsg_unregister_queue(sdev->request_queue); + device_unregister(&sdev->sdev_dev); + transport_remove_device(dev); + device_del(dev); + } else + put_device(&sdev->sdev_dev); scsi_device_set_state(sdev, SDEV_DEL); if (sdev->host->hostt->slave_destroy) sdev->host->hostt->slave_destroy(sdev); diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 9af48cbf0036..f097ae340bc1 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -145,6 +145,7 @@ struct scsi_device { unsigned retry_hwerror:1; /* Retry HARDWARE_ERROR */ unsigned last_sector_bug:1; /* do not use multisector accesses on SD_LAST_BUGGY_SECTORS */ + unsigned is_visible:1; /* is the device visible in sysfs */ DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */ struct list_head event_list; /* asserted events */ |