diff options
| author | Eddie Wai <eddie.wai@broadcom.com> | 2011-06-24 00:51:35 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-06-29 23:51:00 +0200 |
| commit | 3601b531987ea9f861300ae1189256f7118f4f09 (patch) | |
| tree | 5877729bfc6924a3b6a538f7a50b9c8a755328c0 /drivers/scsi/bnx2i | |
| parent | [SCSI] bnx2i: Added the use of kthreads to handle SCSI cmd completion (diff) | |
| download | linux-3601b531987ea9f861300ae1189256f7118f4f09.tar.xz linux-3601b531987ea9f861300ae1189256f7118f4f09.zip | |
[SCSI] bnx2i: Modified to skip CNIC registration if iSCSI is not supported
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@broadcom.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2i')
| -rw-r--r-- | 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 0f7fb14c78ab..28bfa9e60d25 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; |