Re: [AX25] inconsistent lock state

From: f6bvp
Date: Fri Jun 17 2011 - 11:26:51 EST

Hi Ralf,

I wanted to check FPAC ROSE application behaviour when Ethernet link was shutdown.
To do this I removed the ethernet connector !
I agree this was a very agressive action.

73s de Bernard, f6bvp

Le 17/06/2011 15:51, Ralf Baechle a écrit :
On Fri, Jun 17, 2011 at 03:36:15PM +0200, Arnd Bergmann wrote:

(Removed Jarek from cc; his email bounces.)

The message hints that disc_data_lock is aquired with softirqs disabled,
but does not itself disable softirqs, which can in rare circumstances
lead to a deadlock.

Does this fix it?
If so, drivers/net/hamradio.c, function sp_get() would probably need the
equivalent fix. Same for drivers/net/ppp_async.c:ap_get() and sp_get() in


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