Eric W. Biederman
3d4f9d76b0
uio: Fix lack of locking in init_uio_class ...
There is no locking in init_uio_class so multiple
drivers can race and create multiple uio classes.
Fix this by simplifying the code. In particular always
register the uio class during module_init and make things
simpler.
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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3d4f9d76b0