From: Stanislaw Gruszka <stf_xl@wp.pl>
Date: Wed, 30 Nov 2005 00:16:21 +0000 (-0800)
Subject: [ATM]: avoid race conditions related to atm_devs list
X-Git-Tag: v2.6.15-rc4~4^2~11^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aaaaaadbe7a663d110814db50fcbe7d320eb4c32;p=pandora-kernel.git

[ATM]: avoid race conditions related to atm_devs list

Use semaphore to protect atm_devs list, as no one need access to it from
interrupt context.  Avoid race conditions between atm_dev_register(),
atm_dev_lookup() and atm_dev_deregister().  Fix double spin_unlock() bug.

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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