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path: root/drivers/scsi/esp_scsi.c
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Diffstat (limited to 'drivers/scsi/esp_scsi.c')
-rw-r--r--drivers/scsi/esp_scsi.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
index 305eddef5ca1..59fbef08d690 100644
--- a/drivers/scsi/esp_scsi.c
+++ b/drivers/scsi/esp_scsi.c
@@ -2359,6 +2359,24 @@ void scsi_esp_unregister(struct esp *esp)
2359} 2359}
2360EXPORT_SYMBOL(scsi_esp_unregister); 2360EXPORT_SYMBOL(scsi_esp_unregister);
2361 2361
2362static int esp_target_alloc(struct scsi_target *starget)
2363{
2364 struct esp *esp = shost_priv(dev_to_shost(&starget->dev));
2365 struct esp_target_data *tp = &esp->target[starget->id];
2366
2367 tp->starget = starget;
2368
2369 return 0;
2370}
2371
2372static void esp_target_destroy(struct scsi_target *starget)
2373{
2374 struct esp *esp = shost_priv(dev_to_shost(&starget->dev));
2375 struct esp_target_data *tp = &esp->target[starget->id];
2376
2377 tp->starget = NULL;
2378}
2379
2362static int esp_slave_alloc(struct scsi_device *dev) 2380static int esp_slave_alloc(struct scsi_device *dev)
2363{ 2381{
2364 struct esp *esp = shost_priv(dev->host); 2382 struct esp *esp = shost_priv(dev->host);
@@ -2370,9 +2388,6 @@ static int esp_slave_alloc(struct scsi_device *dev)
2370 return -ENOMEM; 2388 return -ENOMEM;
2371 dev->hostdata = lp; 2389 dev->hostdata = lp;
2372 2390
2373 tp->starget = dev->sdev_target;
2374 tp->starget_ref++;
2375
2376 spi_min_period(tp->starget) = esp->min_period; 2391 spi_min_period(tp->starget) = esp->min_period;
2377 spi_max_offset(tp->starget) = 15; 2392 spi_max_offset(tp->starget) = 15;
2378 2393
@@ -2426,17 +2441,10 @@ static int esp_slave_configure(struct scsi_device *dev)
2426 2441
2427static void esp_slave_destroy(struct scsi_device *dev) 2442static void esp_slave_destroy(struct scsi_device *dev)
2428{ 2443{
2429 struct esp *esp = shost_priv(dev->host);
2430 struct esp_target_data *tp = &esp->target[dev->id];
2431 struct esp_lun_data *lp = dev->hostdata; 2444 struct esp_lun_data *lp = dev->hostdata;
2432 2445
2433 kfree(lp); 2446 kfree(lp);
2434 dev->hostdata = NULL; 2447 dev->hostdata = NULL;
2435
2436 BUG_ON(tp->starget_ref <= 0);
2437
2438 if (!--tp->starget_ref)
2439 tp->starget = NULL;
2440} 2448}
2441 2449
2442static int esp_eh_abort_handler(struct scsi_cmnd *cmd) 2450static int esp_eh_abort_handler(struct scsi_cmnd *cmd)
@@ -2616,6 +2624,8 @@ struct scsi_host_template scsi_esp_template = {
2616 .name = "esp", 2624 .name = "esp",
2617 .info = esp_info, 2625 .info = esp_info,
2618 .queuecommand = esp_queuecommand, 2626 .queuecommand = esp_queuecommand,
2627 .target_alloc = esp_target_alloc,
2628 .target_destroy = esp_target_destroy,
2619 .slave_alloc = esp_slave_alloc, 2629 .slave_alloc = esp_slave_alloc,
2620 .slave_configure = esp_slave_configure, 2630 .slave_configure = esp_slave_configure,
2621 .slave_destroy = esp_slave_destroy, 2631 .slave_destroy = esp_slave_destroy,