1 files changed, 27 insertions, 6 deletions

diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 5b7cf539e50b..678120b70460 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -554,7 +554,7 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
                 im_port->shost->transportt =
                                 bfad_im_scsi_vport_transport_template;
 
-        error = scsi_add_host(im_port->shost, dev);
+        error = scsi_add_host_with_dma(im_port->shost, dev, &bfad->pcidev->dev);
         if (error) {
                 printk(KERN_WARNING "scsi_add_host failure %d\n", error);
                 goto out_fc_rel;
@@ -567,6 +567,7 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
 
 out_fc_rel:
         scsi_host_put(im_port->shost);
+        im_port->shost = NULL;
 out_free_idr:
         mutex_lock(&bfad_mutex);
         idr_remove(&bfad_im_port_index, im_port->idr_id);
@@ -597,10 +598,12 @@ bfad_im_port_delete_handler(struct work_struct *work)
 {
         struct bfad_im_port_s *im_port =
                 container_of(work, struct bfad_im_port_s, port_delete_work);
+        struct bfad_s *bfad = im_port->bfad;
 
         if (im_port->port->pvb_type != BFAD_PORT_PHYS_BASE) {
                 im_port->flags |= BFAD_PORT_DELETE;
                 fc_vport_terminate(im_port->fc_vport);
+                atomic_dec(&bfad->wq_reqcnt);
         }
 
 }
@@ -633,8 +636,11 @@ bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port)
 {
         struct bfad_im_port_s *im_port = port->im_port;
 
-        queue_work(bfad->im->drv_workq,
+        if (im_port->port->pvb_type != BFAD_PORT_PHYS_BASE) {
+                atomic_inc(&bfad->wq_reqcnt);
+                queue_work(bfad->im->drv_workq,
                                 &im_port->port_delete_work);
+        }
 }
 
 void
@@ -695,12 +701,27 @@ void
 bfad_im_probe_undo(struct bfad_s *bfad)
 {
         if (bfad->im) {
+                while (atomic_read(&bfad->wq_reqcnt)) {
+                        printk(KERN_INFO "bfa %s: waiting workq processing,"
+                                " wq_reqcnt:%x\n", bfad->pci_name,
+                                atomic_read(&bfad->wq_reqcnt));
+                        schedule_timeout_uninterruptible(HZ);
+                }
                 bfad_os_destroy_workq(bfad->im);
                 kfree(bfad->im);
                 bfad->im = NULL;
         }
 }
 
+/**
+ * Call back function to handle IO redirection state change
+ */
+void
+bfa_cb_ioredirect_state_change(void *hcb_bfad, bfa_boolean_t ioredirect)
+{
+        /* Do nothing */
+}
+
 struct Scsi_Host *
 bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
 {
@@ -1204,9 +1225,9 @@ int
 bfad_os_get_linkup_delay(struct bfad_s *bfad)
 {
 
-        u8         nwwns = 0;
-        wwn_t           *wwns;
-        int             ldelay;
+        u8      nwwns = 0;
+        wwn_t   wwns[BFA_PREBOOT_BOOTLUN_MAX];
+        int     ldelay;
 
         /*
          * Querying for the boot target port wwns
@@ -1215,7 +1236,7 @@ bfad_os_get_linkup_delay(struct bfad_s *bfad)
          * else => local boot machine set bfa_linkup_delay = 10
          */
 
-        bfa_iocfc_get_bootwwns(&bfad->bfa, &nwwns, &wwns);
+        bfa_iocfc_get_bootwwns(&bfad->bfa, &nwwns, wwns);
 
         if (nwwns > 0) {
                 /* If boot over SAN; linkup_delay = 30sec */