Re: [PATCH][ATM] use rtnl_{lock,unlock} during device operations

[David S. Miller]

   From: Roman Zippel <[e-mail]>
   Date: Tue, 10 Jun 2003 01:14:56 +0200 (CEST)

   On Mon, 9 Jun 2003, David S. Miller wrote:
   
   > netdev->dead = 1;
   > netdev->op_this = NULL;
   > netdev->op_that = NULL;
   > netdev->op_whatever = NULL;
   > synchronize_kernel();
   
   That assumes of course that the functions don't sleep.
   (RCU isn't really the answer to everything.)
   
They hold references to the object, it doesn't matter if
they sleep.  Forget the "netdev->dead" line, it isn't necessary.