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authorBhanu Prakash Gollapudi <bprakash@broadcom.com>2011-08-05 02:38:51 +0200
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 16:35:49 +0200
commit861efc547ce517e3d75a507ebc2268e6a0dfa767 (patch)
treea196faabc2738d6d655d0d751d1a9c005d9a3e5d /drivers/scsi/bnx2fc
parent[SCSI] bnx2fc: Obtain WWNN/WWPN from the shared memory (diff)
downloadlinux-861efc547ce517e3d75a507ebc2268e6a0dfa767.tar.xz
linux-861efc547ce517e3d75a507ebc2268e6a0dfa767.zip
[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: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2fc')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 25d3bcd179b1..351ca4cb403f 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -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"