[SCSI] bfa: Fix possible NULL pointer dereference in lunmask add/delete.
Patch fixes the possible NULL pointer dereference when we try to add or delete
a rpwwn to the lunmask config which is not zoned to this port. Check if the
FCS rport is not NULL before de-referencing it.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index e07bd47..846f15b 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -2647,7 +2647,8 @@
if (port) {
*pwwn = port->port_cfg.pwwn;
rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
- rp = rp_fcs->bfa_rport;
+ if (rp_fcs)
+ rp = rp_fcs->bfa_rport;
}
lunm_list = bfa_get_lun_mask_list(bfa);
@@ -2715,7 +2716,8 @@
if (port) {
*pwwn = port->port_cfg.pwwn;
rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
- rp = rp_fcs->bfa_rport;
+ if (rp_fcs)
+ rp = rp_fcs->bfa_rport;
}
}