[PATCH 09/20] Staging: hv: storvsc: Get rid of storvsc_dev_add() by inlining the code

K. Y. Srinivasan
2011-09-13T17:39:12Z

Get rid of storvsc_dev_add() by inlining the code.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
drivers/staging/hv/storvsc_drv.c | 58 +++++++++----------------------------
1 files changed, 14 insertions(+), 44 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index b996293..2210c8c 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -651,41 +651,6 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size)
return ret;
}

-static int storvsc_dev_add(struct hv_device *device,
- void *additional_info)
-{
- struct storvsc_device *stor_device;
- struct storvsc_device_info *device_info;
- int ret = 0;
-
- device_info = (struct storvsc_device_info *)additional_info;
- stor_device = alloc_stor_device(device);
- if (!stor_device)
- return -ENOMEM;
-
- /* Save the channel properties to our storvsc channel */
-
- /*
- * If we support more than 1 scsi channel, we need to set the
- * port number here to the scsi channel but how do we get the
- * scsi channel prior to the bus scan.
- *
- * The host does not support this.
- */
-
- stor_device->port_number = device_info->port_number;
- /* Send it back up */
- ret = storvsc_connect_to_vsp(device, device_info->ring_buffer_size);
- if (ret) {
- kfree(stor_device);
- return ret;
- }
- device_info->path_id = stor_device->path_id;
- device_info->target_id = stor_device->target_id;
-
- return ret;
-}
-
static int storvsc_dev_remove(struct hv_device *device)
{
struct storvsc_device *stor_device;
@@ -1389,10 +1354,10 @@ static int storvsc_probe(struct hv_device *device,
int ret;
struct Scsi_Host *host;
struct hv_host_device *host_dev;
- struct storvsc_device_info device_info;
bool dev_is_ide = ((dev_id->driver_data == IDE_GUID) ? true : false);
int path = 0;
int target = 0;
+ struct storvsc_device *stor_device;

host = scsi_host_alloc(&scsi_driver,
sizeof(struct hv_host_device));
@@ -1417,22 +1382,27 @@ static int storvsc_probe(struct hv_device *device,
return -ENOMEM;
}

- device_info.port_number = host->host_no;
- device_info.ring_buffer_size = storvsc_ringbuffer_size;
- /* Call to the vsc driver to add the device */
- ret = storvsc_dev_add(device, (void *)&device_info);
+ stor_device = alloc_stor_device(device);
+ if (!stor_device) {
+ kmem_cache_destroy(host_dev->request_pool);
+ scsi_host_put(host);
+ return -ENOMEM;
+ }

- if (ret != 0) {
+ stor_device->port_number = host->host_no;
+ ret = storvsc_connect_to_vsp(device, storvsc_ringbuffer_size);
+ if (ret) {
kmem_cache_destroy(host_dev->request_pool);
scsi_host_put(host);
- return -ENODEV;
+ kfree(stor_device);
+ return ret;
}

if (dev_is_ide)
storvsc_get_ide_info(device, &target, &path);

- host_dev->path = device_info.path_id;
- host_dev->target = device_info.target_id;
+ host_dev->path = stor_device->path_id;
+ host_dev->target = stor_device->target_id;

/* max # of devices per target */
host->max_lun = STORVSC_MAX_LUNS_PER_TARGET;
--
1.7.4.1