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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>
This commit is contained in:
Michael Chan 2011-01-03 15:21:46 +00:00 committed by David S. Miller
parent 57045c996f
commit 42bb8d5695
2 changed files with 6 additions and 19 deletions
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19
drivers/net/cnic.c
View File

@ -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]) &&

6
drivers/net/cnic_if.h
View File

@ -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