From: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
---
drivers/s390/scsi/zfcp_scsi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/s390/scsi/zfcp_scsi.c 2009-07-13 13:18:07.000000000 +0200
+++ b/drivers/s390/scsi/zfcp_scsi.c 2009-07-13 13:18:14.000000000 +0200
@@ -534,6 +534,9 @@ static void zfcp_scsi_rport_register(str
struct fc_rport_identifiers ids;
struct fc_rport *rport;
+ if (port->rport)
+ return;
+
ids.node_name = port->wwnn;
ids.port_name = port->wwpn;
ids.port_id = port->d_id;
@@ -557,8 +560,10 @@ static void zfcp_scsi_rport_block(struct
{
struct fc_rport *rport = port->rport;
- if (rport)
+ if (rport) {
fc_remote_port_delete(rport);
+ port->rport = NULL;
+ }
}
void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
--
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