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Commit 861efc54 authored by Bhanu Prakash Gollapudi's avatar Bhanu Prakash Gollapudi Committed by James Bottomley
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[SCSI] bnx2fc: Prevent creating of NPIV port with duplicate WWN 



This patch adds a validation step before allowing creation of a new NPIV port.
It checks whether the WWPN passed for the new NPIV port to be created is unique
for the given physical port.

Signed-off-by: default avatarBhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 52439607

drivers/scsi/bnx2fc/bnx2fc_fcoe.c

+11 −0
Original line number Diff line number Diff line
@@ -1020,6 +1020,17 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) 
	struct bnx2fc_interface *interface = port->priv;

	struct net_device *netdev = interface->netdev;

	struct fc_lport *vn_port;

	int rc;

	char buf[32];



	rc = fcoe_validate_vport_create(vport);

	if (rc) {

		fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));

		printk(KERN_ERR PFX "Failed to create vport, "

		       "WWPN (0x%s) already exists\n",

		       buf);

		return rc;

	}



	if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {

		printk(KERN_ERR PFX "vn ports cannot be created on"