Re: netif_poll_disable() hangs

Andrew Morton wrote:

Very simple:

	ifup eth0
	ifdown eth0
	ifup eth0
	ifdown eth0	<- hangs in dev_close -> netif_poll_disable()


Because the first close sets __LINK_STATE_RX_SCHED and nothing ever clears
it.  

Weird.  Looking at older 2.4 and 2.6, the bit has always been set that way.

process_backlog() has always been the only site that ever clears that 
bit...  maybe process_backlog() is called when interface is up'd, which 
is why it worked before (and should be working now)?

	Jeff