null_blk: remove unused variable warning on !CONFIG_BLK_DEV_ZONED
If BLK_DEV_ZONED isn't set, 'ret' isn't used. This makes gcc complain, rightfully. Move ret where it is used. Fixes: 979d5447 ("null_blk: cleanup null_gendisk_register") Signed-off-by:Jens Axboe <axboe@kernel.dk>
parent
f1acbf21
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