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[SCSI] zfcp: Add port only once to FC transport class

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When calling fc_remote_port_add make sure to not call it again before
fc_remote_port_delete has been called. In other words, ensure to
create a new fc_rport, then delete it, then create a new one again.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Christof Schmitt 2009-07-13 15:06:11 +02:00 committed by James Bottomley
parent cbf1ed0264
commit 379d6bf657
1 changed files with 6 additions and 1 deletions
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7
drivers/s390/scsi/zfcp_scsi.c
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@ -534,6 +534,9 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
struct fc_rport_identifiers ids; struct fc_rport_identifiers ids;
struct fc_rport *rport; struct fc_rport *rport;
if (port->rport)
return;
ids.node_name = port->wwnn; ids.node_name = port->wwnn;
ids.port_name = port->wwpn; ids.port_name = port->wwpn;
ids.port_id = port->d_id; ids.port_id = port->d_id;
@ -557,8 +560,10 @@ static void zfcp_scsi_rport_block(struct zfcp_port *port)
{ {
struct fc_rport *rport = port->rport; struct fc_rport *rport = port->rport;
if (rport) if (rport) {
fc_remote_port_delete(rport); fc_remote_port_delete(rport);
port->rport = NULL;
}
} }
void zfcp_scsi_schedule_rport_register(struct zfcp_port *port) void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)