Commit 422819cf authored by Yi Zou's avatar Yi Zou Committed by James Bottomley
Browse files

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



We shouldn't be altering inbound frames.
Signed-off-by: default avatarYi Zou <yi.zou@intel.com>
Signed-off-by: default avatarRobert Love <robert.w.love@intel.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 03ec862d
......@@ -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 */
}
......
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