The init routine will now examine the cnic->max_iscsi_conn variable
before registering to CNIC during ulp_init.
Signed-off-by: Eddie Wai <eddie.wai@xxxxxxxxxxxx>
Acked-by: Michael Chan <mchan@xxxxxxxxxxxx>
---
drivers/scsi/bnx2i/bnx2i_init.c | 29 +++++++++++++++--------------
1 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index 0f7fb14..28bfa9e 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -172,21 +172,14 @@ void bnx2i_start(void *handle)
struct bnx2i_hba *hba = handle;
int i = HZ;
- if (!hba->cnic->max_iscsi_conn) {
- printk(KERN_ALERT "bnx2i: dev %s does not support "
- "iSCSI\n", hba->netdev->name);
+ /*
+ * We should never register devices that don't support iSCSI
+ * (see bnx2i_init_one), so something is wrong if we try to
+ * start a iSCSI adapter on hardware with 0 supported iSCSI
+ * connections
+ */
+ BUG_ON(!hba->cnic->max_iscsi_conn);
- if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
- mutex_lock(&bnx2i_dev_lock);
- list_del_init(&hba->link);
- adapter_count--;
- hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
- clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
- mutex_unlock(&bnx2i_dev_lock);
- bnx2i_free_hba(hba);
- }
- return;
- }
bnx2i_send_fw_iscsi_init_msg(hba);
while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
msleep(BNX2I_INIT_POLL_TIME);
@@ -290,6 +283,13 @@ static int bnx2i_init_one(struct bnx2i_hba *hba, struct cnic_dev *cnic)
int rc;
mutex_lock(&bnx2i_dev_lock);
+ if (!cnic->max_iscsi_conn) {
+ printk(KERN_ALERT "bnx2i: dev %s does not support "
+ "iSCSI\n", hba->netdev->name);
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+
hba->cnic = cnic;
rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
if (!rc) {
@@ -307,6 +307,7 @@ static int bnx2i_init_one(struct bnx2i_hba *hba, struct cnic_dev *cnic)
else
printk(KERN_ERR "bnx2i dev reg, unknown error, %d\n", rc);
+out:
mutex_unlock(&bnx2i_dev_lock);
return rc;
--
1.7.0.5
--
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