[SCSI] fix memory leak in initialization

[safe/jmp/linux-2.6] / drivers / scsi / scsi_sysfs.c

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 93d2b67..5c7eb63 100644 (file)
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -34,6 +34,7 @@ static const struct {
        { SDEV_QUIESCE, "quiesce" },
        { SDEV_OFFLINE, "offline" },
        { SDEV_BLOCK,   "blocked" },
+       { SDEV_CREATED_BLOCK, "created-blocked" },
 };
 
 const char *scsi_device_state_name(enum scsi_device_state state)
@@ -249,6 +250,8 @@ shost_rd_attr(cmd_per_lun, "%hd\n");
 shost_rd_attr(can_queue, "%hd\n");
 shost_rd_attr(sg_tablesize, "%hu\n");
 shost_rd_attr(unchecked_isa_dma, "%d\n");
+shost_rd_attr(prot_capabilities, "%u\n");
+shost_rd_attr(prot_guard_type, "%hd\n");
 shost_rd_attr2(proc_name, hostt->proc_name, "%s\n");
 
 static struct attribute *scsi_sysfs_shost_attrs[] = {
@@ -263,6 +266,8 @@ static struct attribute *scsi_sysfs_shost_attrs[] = {
        &dev_attr_hstate.attr,
        &dev_attr_supported_mode.attr,
        &dev_attr_active_mode.attr,
+       &dev_attr_prot_capabilities.attr,
+       &dev_attr_prot_guard_type.attr,
        NULL
 };
 
@@ -270,7 +275,7 @@ struct attribute_group scsi_shost_attr_group = {
        .attrs =        scsi_sysfs_shost_attrs,
 };
 
-struct attribute_group *scsi_sysfs_shost_attr_groups[] = {
+const struct attribute_group *scsi_sysfs_shost_attr_groups[] = {
        &scsi_shost_attr_group,
        NULL
 };
@@ -415,30 +420,14 @@ static int scsi_bus_resume(struct device * dev)
        return err;
 }
 
-static int scsi_bus_remove(struct device *dev)
-{
-       struct device_driver *drv = dev->driver;
-       struct scsi_device *sdev = to_scsi_device(dev);
-       int err = 0;
-
-       /* reset the prep_fn back to the default since the
-        * driver may have altered it and it's being removed */
-       blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn);
-
-       if (drv && drv->remove)
-               err = drv->remove(dev);
-
-       return 0;
-}
-
 struct bus_type scsi_bus_type = {
         .name          = "scsi",
         .match         = scsi_bus_match,
        .uevent         = scsi_bus_uevent,
        .suspend        = scsi_bus_suspend,
        .resume         = scsi_bus_resume,
-       .remove         = scsi_bus_remove,
 };
+EXPORT_SYMBOL_GPL(scsi_bus_type);
 
 int scsi_sysfs_register(void)
 {
@@ -555,12 +544,15 @@ sdev_rd_attr (vendor, "%.8s\n");
 sdev_rd_attr (model, "%.16s\n");
 sdev_rd_attr (rev, "%.4s\n");
 
+/*
+ * TODO: can we make these symlinks to the block layer ones?
+ */
 static ssize_t
 sdev_show_timeout (struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct scsi_device *sdev;
        sdev = to_scsi_device(dev);
-       return snprintf (buf, 20, "%d\n", sdev->timeout / HZ);
+       return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ);
 }
 
 static ssize_t
@@ -571,7 +563,7 @@ sdev_store_timeout (struct device *dev, struct device_attribute *attr,
        int timeout;
        sdev = to_scsi_device(dev);
        sscanf (buf, "%d\n", &timeout);
-       sdev->timeout = timeout * HZ;
+       blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
        return count;
 }
 static DEVICE_ATTR(timeout, S_IRUGO | S_IWUSR, sdev_show_timeout, sdev_store_timeout);
@@ -753,7 +745,7 @@ static struct attribute_group scsi_sdev_attr_group = {
        .attrs =        scsi_sdev_attrs,
 };
 
-static struct attribute_group *scsi_sdev_attr_groups[] = {
+static const struct attribute_group *scsi_sdev_attr_groups[] = {
        &scsi_sdev_attr_group,
        NULL
 };
@@ -872,10 +864,6 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
                goto clean_device;
        }
 
-       /* take a reference for the sdev_dev; this is
-        * released by the sdev_class .release */
-       get_device(&sdev->sdev_gendev);
-
        /* 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);
@@ -925,6 +913,7 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
 
        device_del(&sdev->sdev_gendev);
        transport_destroy_device(&sdev->sdev_gendev);
+       put_device(&sdev->sdev_dev);
        put_device(&sdev->sdev_gendev);
 
        return error;
@@ -1034,7 +1023,6 @@ EXPORT_SYMBOL(scsi_register_interface);
 /**
  * scsi_sysfs_add_host - add scsi host to subsystem
  * @shost:     scsi host struct to add to subsystem
- * @dev:       parent struct device pointer
  **/
 int scsi_sysfs_add_host(struct Scsi_Host *shost)
 {
@@ -1070,16 +1058,14 @@ void scsi_sysfs_device_initialize(struct scsi_device *sdev)
        device_initialize(&sdev->sdev_gendev);
        sdev->sdev_gendev.bus = &scsi_bus_type;
        sdev->sdev_gendev.type = &scsi_dev_type;
-       sprintf(sdev->sdev_gendev.bus_id,"%d:%d:%d:%d",
-               sdev->host->host_no, sdev->channel, sdev->id,
-               sdev->lun);
-       
+       dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%d",
+                    sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
+
        device_initialize(&sdev->sdev_dev);
-       sdev->sdev_dev.parent = &sdev->sdev_gendev;
+       sdev->sdev_dev.parent = get_device(&sdev->sdev_gendev);
        sdev->sdev_dev.class = &sdev_class;
-       snprintf(sdev->sdev_dev.bus_id, BUS_ID_SIZE,
-                "%d:%d:%d:%d", sdev->host->host_no,
-                sdev->channel, sdev->id, sdev->lun);
+       dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%d",
+                    sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
        sdev->scsi_level = starget->scsi_level;
        transport_setup_device(&sdev->sdev_gendev);
        spin_lock_irqsave(shost->host_lock, flags);