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authorSwen Schillig <swen@vnet.ibm.com>2008-11-26 18:07:38 +0100
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-01 10:17:34 -0600
commit26871c97d52e50dc574bd01967926650643b142a (patch)
treecaac9eabd5191353bb659e911f5ec7ef0d7165c6
parent633528c304f20b5c2e3e04d48f620548ce08b12e (diff)
[SCSI] zfcp: verify for correct rport state before scanning for SCSI devs
Prevent a SCSI target scan for a rport which have turned invalid in the meantime. 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>
-rw-r--r--drivers/s390/scsi/zfcp_erp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 35364f64da7..c55dd2728f9 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1186,7 +1186,9 @@ static void zfcp_erp_scsi_scan(struct work_struct *work)
container_of(work, struct zfcp_erp_add_work, work);
struct zfcp_unit *unit = p->unit;
struct fc_rport *rport = unit->port->rport;
- scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
+
+ if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
+ scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0);
atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
zfcp_unit_put(unit);