[SCSI] libfc: do not change the fh_rx_id of a recevied frame

We shouldn't be altering inbound frames.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 7b933954c1070777a8564b74d943a5eb74186132..505825b6124dfee8ec04c823eca3a9af6fad777b 100644 (file)
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -625,7 +625,6 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
 {
        struct fc_exch *ep;
        struct fc_frame_header *fh;
-       u16 rxid;
 
        ep = mp->lp->tt.exch_get(mp->lp, fp);
        if (ep) {
@@ -652,18 +651,6 @@ static struct fc_exch *fc_exch_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
                if ((ntoh24(fh->fh_f_ctl) & FC_FC_SEQ_INIT) == 0)
                        ep->esb_stat &= ~ESB_ST_SEQ_INIT;
 
-               /*
-                * Set the responder ID in the frame header.
-                * The old one should've been 0xffff.
-                * If it isn't, don't assign one.
-                * Incoming basic link service frames may specify
-                * a referenced RX_ID.
-                */
-               if (fh->fh_type != FC_TYPE_BLS) {
-                       rxid = ntohs(fh->fh_rx_id);
-                       WARN_ON(rxid != FC_XID_UNKNOWN);
-                       fh->fh_rx_id = htons(ep->rxid);
-               }
                fc_exch_hold(ep);       /* hold for caller */
                spin_unlock_bh(&ep->ex_lock);   /* lock from exch_get */
        }