The logic can easily be merged in doc2000_readbuf().
Signed-off-by: NBoris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200501143917.1388957-3-boris.brezillon@collabora.com