[SCSI] qla2xxx: Do not allow ELS Passthru commands for ISP23xx adapters

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 04ead06..6b863f7 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -229,7 +229,7 @@ static int
 qla2x00_process_els(struct fc_bsg_job *bsg_job)
 {
        struct fc_rport *rport;
-       fc_port_t *fcport;
+       fc_port_t *fcport = NULL;
        struct Scsi_Host *host;
        scsi_qla_host_t *vha;
        struct qla_hw_data *ha;
@@ -240,6 +240,29 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
        uint16_t nextlid = 0;
        struct srb_ctx *els;
 
+       if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
+               rport = bsg_job->rport;
+               fcport = *(fc_port_t **) rport->dd_data;
+               host = rport_to_shost(rport);
+               vha = shost_priv(host);
+               ha = vha->hw;
+               type = "FC_BSG_RPT_ELS";
+       } else {
+               host = bsg_job->shost;
+               vha = shost_priv(host);
+               ha = vha->hw;
+               type = "FC_BSG_HST_ELS_NOLOGIN";
+       }
+
+       /* pass through is supported only for ISP 4Gb or higher */
+       if (!IS_FWI2_CAPABLE(ha)) {
+               DEBUG2(qla_printk(KERN_INFO, ha,
+                   "scsi(%ld):ELS passthru not supported for ISP23xx based "
+                   "adapters\n", vha->host_no));
+               rval = -EPERM;
+               goto done;
+       }
+
        /*  Multiple SG's are not supported for ELS requests */
        if (bsg_job->request_payload.sg_cnt > 1 ||
                bsg_job->reply_payload.sg_cnt > 1) {
@@ -254,13 +277,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
 
        /* ELS request for rport */
        if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
-               rport = bsg_job->rport;
-               fcport = *(fc_port_t **) rport->dd_data;
-               host = rport_to_shost(rport);
-               vha = shost_priv(host);
-               ha = vha->hw;
-               type = "FC_BSG_RPT_ELS";
-
                /* make sure the rport is logged in,
                 * if not perform fabric login
                 */
@@ -272,11 +288,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
                        goto done;
                }
        } else {
-               host = bsg_job->shost;
-               vha = shost_priv(host);
-               ha = vha->hw;
-               type = "FC_BSG_HST_ELS_NOLOGIN";
-
                /* Allocate a dummy fcport structure, since functions
                 * preparing the IOCB and mailbox command retrieves port
                 * specific information from fcport structure. For Host based