tree 05e89c751f410a3b54583f948ff9ffc841c333ea
parent c60e0504c8e4fa14179d0687d80ef25148dd6dd4
author Alan Stern <stern@rowland.harvard.edu> 1259942817 -0500
committer Greg Kroah-Hartman <gregkh@suse.de> 1260559495 -0800

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>