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[SCSI] libfc: have rport_create do a lookup for pre-existing rports first 

For future discovery patches, change rport_create to return a previously
created rport_priv that has the FC_ID as long as it isn't in deleted state.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt 2009-08-25 14:01:55 -07:00 committed by James Bottomley
parent 48f00902ba
commit 19f97e3c0a
2 changed files with 7 additions and 6 deletions
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9
drivers/scsi/libfc/fc_disc.c
View File

@ -377,12 +377,9 @@ static int fc_disc_new_target(struct fc_disc *disc,
ids->port_id != fc_host_port_id(lport->host) &&
ids->port_name != lport->wwpn) {
if (!rdata) {
rdata = lport->tt.rport_lookup(lport, ids->port_id);
if (!rdata) {
rdata = lport->tt.rport_create(lport, ids);
if (!rdata)
error = -ENOMEM;
}
rdata = lport->tt.rport_create(lport, ids);
if (!rdata)
error = -ENOMEM;
}
if (rdata) {
rdata->ops = &fc_disc_rport_ops;

4
drivers/scsi/libfc/fc_rport.c
View File

@ -98,6 +98,10 @@ static struct fc_rport_priv *fc_rport_create(struct fc_lport *lport,
{
struct fc_rport_priv *rdata;
rdata = lport->tt.rport_lookup(lport, ids->port_id);
if (rdata)
return rdata;
rdata = kzalloc(sizeof(*rdata), GFP_KERNEL);
if (!rdata)
return NULL;