[PATCH 6/7] drivers/net/ethernet/broadcom/cnic.c: remove invalid reference to list iterator variable

[Julia Lawall]

From: Julia Lawall <Julia.Lawall@xxxxxxx>

If list_for_each_entry, etc complete a traversal of the list, the iterator
variable ends up pointing to an address at an offset from the list head,
and not a meaningful structure.  Thus this value should not be used after
the end of the iterator.  There does not seem to be a meaningful value to
provide to netdev_warn.  Replace with pr_warn, since pr_err is used
elsewhere.

This problem was found using Coccinelle (http://coccinelle.lip6.fr/).

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
 drivers/net/ethernet/broadcom/cnic.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 22ad7b6..6eaca60 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -542,7 +542,8 @@ int cnic_unregister_driver(int ulp_type)
 	}
 
 	if (atomic_read(&ulp_ops->ref_count) != 0)
-		netdev_warn(dev->netdev, "Failed waiting for ref count to go to zero\n");
+		pr_warn("%s: Failed waiting for ref count to go to zero\n",
+			__func__);
 	return 0;
 
 out_unlock:

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