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[SCSI] zfcp: prevent fc_remote_port_delete calls for unregistered rport 

In case of an adapter reopen all rports have to be deleted from the
environment. This should only happen for already registered rports
otherwise fc_remote_port_delete is called with a NULL pointer.

Signed-off-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:
Swen Schillig 2008-10-01 12:42:23 +02:00 committed by James Bottomley
parent b7f15f3c94
commit e4e9ba5d93
1 changed files with 2 additions and 0 deletions
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2
drivers/s390/scsi/zfcp_erp.c
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@ -1236,6 +1236,8 @@ static void zfcp_erp_rports_del(struct zfcp_adapter *adapter)
{
struct zfcp_port *port;
list_for_each_entry(port, &adapter->port_list_head, list) {
if (!port->rport)
continue;
fc_remote_port_delete(port->rport);
port->rport = NULL;
}