[SCSI] libfc: don't exch_done() on invalid sequence ptr

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / scsi / libfc / fc_disc.c

diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 1d1b0c9..8e561e6 100644 (file)
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -337,6 +337,13 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
                        schedule_delayed_work(&disc->disc_work, delay);
                } else
                        fc_disc_done(disc, DISC_EV_FAILED);
+       } else if (PTR_ERR(fp) == -FC_EX_CLOSED) {
+               /*
+                * if discovery fails due to lport reset, clear
+                * pending flag so that subsequent discovery can
+                * continue
+                */
+               disc->pending = 0;
        }
 }