cnic: Do not call bnx2i when bnx2i is calling cnic_unregister_driver()

We should call bnx2i to send the iSCSI netlink message earlier in
cnic_unregister_device().  By the time cnic_unregister_driver() is
called, bnx2i may have freed data structures used by the upcalls.

Update version to 2.2.12.

Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 41957fa..6dfa564 100644 (file)
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -426,19 +426,6 @@ static int cnic_abort_prep(struct cnic_sock *csk)
        return 0;
 }
 
-static void cnic_uio_stop(void)
-{
-       struct cnic_dev *dev;
-
-       read_lock(&cnic_dev_lock);
-       list_for_each_entry(dev, &cnic_dev_list, list) {
-               struct cnic_local *cp = dev->cnic_priv;
-
-               cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
-       }
-       read_unlock(&cnic_dev_lock);
-}
-
 int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
 {
        struct cnic_dev *dev;
@@ -510,9 +497,6 @@ int cnic_unregister_driver(int ulp_type)
        }
        read_unlock(&cnic_dev_lock);
 
-       if (ulp_type == CNIC_ULP_ISCSI)
-               cnic_uio_stop();
-
        rcu_assign_pointer(cnic_ulp_tbl[ulp_type], NULL);
 
        mutex_unlock(&cnic_lock);
@@ -596,6 +580,9 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
        }
        mutex_unlock(&cnic_lock);
 
+       if (ulp_type == CNIC_ULP_ISCSI)
+               cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
+
        synchronize_rcu();
 
        while (test_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[ulp_type]) &&

diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index ccd8140..9f44e0f 100644 (file)
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -1,6 +1,6 @@
 /* cnic_if.h: Broadcom CNIC core network driver.
  *
- * Copyright (c) 2006-2010 Broadcom Corporation
+ * Copyright (c) 2006-2011 Broadcom Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +12,8 @@
 #ifndef CNIC_IF_H
 #define CNIC_IF_H
 
-#define CNIC_MODULE_VERSION    "2.2.11"
-#define CNIC_MODULE_RELDATE    "Dec 22, 2010"
+#define CNIC_MODULE_VERSION    "2.2.12"
+#define CNIC_MODULE_RELDATE    "Jan 03, 2011"
 
 #define CNIC_ULP_RDMA          0
 #define CNIC_ULP_ISCSI         1