From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 4 Dec 2009 16:06:57 +0000 (-0500)
Subject: Driver core: fix race in dev_driver_string
X-Git-Tag: v2.6.33-rc1~314^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3589972e51fac1e02d0aaa576fa47f568cb94d40;p=pandora-kernel.git

Driver core: fix race in dev_driver_string

This patch (as1310) works around a race in dev_driver_string().  If
the device is unbound while the function is running, dev->driver might
become NULL after we test it and before we dereference it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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