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authorAlan Stern <stern@rowland.harvard.edu>2009-12-04 11:06:57 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-11 11:24:55 -0800
commit3589972e51fac1e02d0aaa576fa47f568cb94d40 (patch)
tree05e89c751f410a3b54583f948ff9ffc841c333ea /fs
parentc60e0504c8e4fa14179d0687d80ef25148dd6dd4 (diff)
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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