[PATCH] bnx2i: missing error code in bnx2i_ep_connect()

[Dan Carpenter]

If bnx2i_map_ep_dbell_regs() then we accidentally return NULL instead
of an error pointer.  It results in a NULL dereference in
iscsi_if_ep_connect().

Fixes: cf4e6363859d ("[SCSI] bnx2i: Add bnx2i iSCSI driver.")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index f32a66f89d25..03c104b47f31 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1909,7 +1909,8 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct 
Scsi_Host *shost,
 
        bnx2i_ep_active_list_add(hba, bnx2i_ep);
 
-       if (bnx2i_map_ep_dbell_regs(bnx2i_ep))
+       rc = bnx2i_map_ep_dbell_regs(bnx2i_ep);
+       if (rc)
                goto del_active_ep;
 
        mutex_unlock(&hba->net_dev_lock);