From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 15 Apr 2009 23:00:12 +0000 (-0700)
Subject: driver core: prevent device_for_each_child from oopsing
X-Git-Tag: v2.6.30-rc3~59^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=014c90dbb9b63bae067afc80a7931a76c5268ae3;p=pandora-kernel.git

driver core: prevent device_for_each_child from oopsing

David Vrabel noticed that the wireless usb stack likes to call
device_for_each_chile() with an empty bus.  This used to work fine, but
now oopses.  This patch fixes the oops and makes the code behave like it
used to.

Reported-by: David Vrabel <david.vrabel@csr.com>
Tested-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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