[SCSI] libfc: Always reset remote port roles when receiving PRLI

Don't trust previous roles, reset them when we receive a PRLI.

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index c667be879be6..cb54115c26cb 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -666,6 +666,9 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp,
                 goto err;
         }
 
+        /* reinitialize remote port roles */
+        rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
+
         op = fc_frame_payload_op(fp);
         if (op == ELS_LS_ACC) {
                 pp = fc_frame_payload_get(fp, sizeof(*pp));
@@ -1173,6 +1176,9 @@ static void fc_rport_recv_prli_req(struct fc_rport_priv *rdata,
                 pp->prli.prli_len = htons(len);
                 len -= sizeof(struct fc_els_prli);
 
+                /* reinitialize remote port roles */
+                rdata->ids.roles = FC_RPORT_ROLE_UNKNOWN;
+
                 /*
                  * Go through all the service parameter pages and build
                  * response.  If plen indicates longer SPP than standard,