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It's only set to NULL and never properly used.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219084118.26491-10-jslaby@suse.cz

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>