summaryrefslogtreecommitdiff
path: root/drivers/scsi/scsi_transport_iscsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/scsi_transport_iscsi.c')
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c65
1 files changed, 22 insertions, 43 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 93e1978ad564..ed21c032bbc4 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1204,7 +1204,7 @@ static const struct device_type iscsi_flashnode_conn_dev_type = {
static const struct bus_type iscsi_flashnode_bus;
int iscsi_flashnode_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
if (dev->bus == &iscsi_flashnode_bus)
return 1;
@@ -1324,7 +1324,7 @@ EXPORT_SYMBOL_GPL(iscsi_create_flashnode_conn);
* 1 on success
* 0 on failure
*/
-static int iscsi_is_flashnode_conn_dev(struct device *dev, void *data)
+static int iscsi_is_flashnode_conn_dev(struct device *dev, const void *data)
{
return dev->bus == &iscsi_flashnode_bus;
}
@@ -1335,7 +1335,7 @@ static int iscsi_destroy_flashnode_conn(struct iscsi_bus_flash_conn *fnode_conn)
return 0;
}
-static int flashnode_match_index(struct device *dev, void *data)
+static int flashnode_match_index(struct device *dev, const void *data)
{
struct iscsi_bus_flash_session *fnode_sess = NULL;
int ret = 0;
@@ -1344,7 +1344,7 @@ static int flashnode_match_index(struct device *dev, void *data)
goto exit_match_index;
fnode_sess = iscsi_dev_to_flash_session(dev);
- ret = (fnode_sess->target_id == *((int *)data)) ? 1 : 0;
+ ret = (fnode_sess->target_id == *((const int *)data)) ? 1 : 0;
exit_match_index:
return ret;
@@ -1389,8 +1389,8 @@ iscsi_get_flashnode_by_index(struct Scsi_Host *shost, uint32_t idx)
* %NULL on failure
*/
struct device *
-iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data,
- int (*fn)(struct device *dev, void *data))
+iscsi_find_flashnode_sess(struct Scsi_Host *shost, const void *data,
+ device_match_t fn)
{
return device_find_child(&shost->shost_gendev, data, fn);
}
@@ -2122,33 +2122,6 @@ destroy_wq:
}
EXPORT_SYMBOL_GPL(iscsi_add_session);
-/**
- * iscsi_create_session - create iscsi class session
- * @shost: scsi host
- * @transport: iscsi transport
- * @dd_size: private driver data size
- * @target_id: which target
- *
- * This can be called from a LLD or iscsi_transport.
- */
-struct iscsi_cls_session *
-iscsi_create_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
- int dd_size, unsigned int target_id)
-{
- struct iscsi_cls_session *session;
-
- session = iscsi_alloc_session(shost, transport, dd_size);
- if (!session)
- return NULL;
-
- if (iscsi_add_session(session, target_id)) {
- iscsi_free_session(session);
- return NULL;
- }
- return session;
-}
-EXPORT_SYMBOL_GPL(iscsi_create_session);
-
static void iscsi_conn_release(struct device *dev)
{
struct iscsi_cls_conn *conn = iscsi_dev_to_conn(dev);
@@ -2170,6 +2143,8 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data)
return 0;
iscsi_remove_conn(iscsi_dev_to_conn(dev));
+ iscsi_put_conn(iscsi_dev_to_conn(dev));
+
return 0;
}
@@ -3209,11 +3184,14 @@ iscsi_set_host_param(struct iscsi_transport *transport,
}
/* see similar check in iscsi_if_set_param() */
- if (strlen(data) > ev->u.set_host_param.len)
- return -EINVAL;
+ if (strlen(data) > ev->u.set_host_param.len) {
+ err = -EINVAL;
+ goto out;
+ }
err = transport->set_host_param(shost, ev->u.set_host_param.param,
data, ev->u.set_host_param.len);
+out:
scsi_host_put(shost);
return err;
}
@@ -3523,7 +3501,7 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport,
pr_err("%s could not find host no %u\n",
__func__, ev->u.new_flashnode.host_no);
err = -ENODEV;
- goto put_host;
+ goto exit_new_fnode;
}
index = transport->new_flashnode(shost, data, len);
@@ -3533,7 +3511,6 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport,
else
err = -EIO;
-put_host:
scsi_host_put(shost);
exit_new_fnode:
@@ -3558,7 +3535,7 @@ static int iscsi_del_flashnode(struct iscsi_transport *transport,
pr_err("%s could not find host no %u\n",
__func__, ev->u.del_flashnode.host_no);
err = -ENODEV;
- goto put_host;
+ goto exit_del_fnode;
}
idx = ev->u.del_flashnode.flashnode_idx;
@@ -3600,7 +3577,7 @@ static int iscsi_login_flashnode(struct iscsi_transport *transport,
pr_err("%s could not find host no %u\n",
__func__, ev->u.login_flashnode.host_no);
err = -ENODEV;
- goto put_host;
+ goto exit_login_fnode;
}
idx = ev->u.login_flashnode.flashnode_idx;
@@ -3652,7 +3629,7 @@ static int iscsi_logout_flashnode(struct iscsi_transport *transport,
pr_err("%s could not find host no %u\n",
__func__, ev->u.logout_flashnode.host_no);
err = -ENODEV;
- goto put_host;
+ goto exit_logout_fnode;
}
idx = ev->u.logout_flashnode.flashnode_idx;
@@ -3702,7 +3679,7 @@ static int iscsi_logout_flashnode_sid(struct iscsi_transport *transport,
pr_err("%s could not find host no %u\n",
__func__, ev->u.logout_flashnode.host_no);
err = -ENODEV;
- goto put_host;
+ goto exit_logout_sid;
}
session = iscsi_session_lookup(ev->u.logout_flashnode_sid.sid);
@@ -3984,7 +3961,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
list_del_init(&session->sess_list);
spin_unlock_irqrestore(&sesslock, flags);
- queue_work(system_unbound_wq, &session->destroy_work);
+ queue_work(system_dfl_wq, &session->destroy_work);
}
break;
case ISCSI_UEVENT_UNBIND_SESSION:
@@ -4104,7 +4081,7 @@ iscsi_if_rx(struct sk_buff *skb)
}
do {
/*
- * special case for GET_STATS:
+ * special case for GET_STATS, GET_CHAP and GET_HOST_STATS:
* on success - sending reply and stats from
* inside of if_recv_msg(),
* on error - fall through.
@@ -4113,6 +4090,8 @@ iscsi_if_rx(struct sk_buff *skb)
break;
if (ev->type == ISCSI_UEVENT_GET_CHAP && !err)
break;
+ if (ev->type == ISCSI_UEVENT_GET_HOST_STATS && !err)
+ break;
err = iscsi_if_send_reply(portid, nlh->nlmsg_type,
ev, sizeof(*ev));
if (err == -EAGAIN && --retries < 0) {
generated by cgit (git 2.34.1) at 2025-12-25 12:16:04 +0000