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Code Issues Releases Wiki Activity

cnic: Fix missing ISCSI_KEVENT_IF_DOWN message

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The iSCSI netlink message needs to be sent before the ulp_ops is cleared
as it is sent through a function pointer in the ulp_ops.  This bug
causes iscsid to not get the message when the bnx2i driver is unloaded.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2014-06-02 23:08:48 -07:00 committed by David S. Miller
parent 437b8a26f9
commit 5943691442
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/broadcom/cnic.c
View file

@ -608,6 +608,10 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
pr_err("%s: Bad type %d\n", __func__, ulp_type);
return -EINVAL;
}
if (ulp_type == CNIC_ULP_ISCSI)
cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
mutex_lock(&cnic_lock);
if (rcu_dereference(cp->ulp_ops[ulp_type])) {
RCU_INIT_POINTER(cp->ulp_ops[ulp_type], NULL);
@ -620,9 +624,7 @@ 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);
else if (ulp_type == CNIC_ULP_FCOE)
if (ulp_type == CNIC_ULP_FCOE)
dev->fcoe_cap = NULL;
synchronize_rcu();