block: use "unsigned long" for blk_validate_block_size().
commit 37ae5a0f5287a52cf51242e76ccf198d02ffe495 upstream. Since lo_simple_ioctl(LOOP_SET_BLOCK_SIZE) and ioctl(NBD_SET_BLKSIZE) pass user-controlled "unsigned long arg" to blk_validate_block_size(), "unsigned long" should be used for validation. Signed-off-by:Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reviewed-by:
Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/9ecbf057-4375-c2db-ab53-e4cc0dff953d@i-love.sakura.ne.jp Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
David Hunter <david.hunter.linux@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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