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In atmel_nand_pmecc_read_pg(), nand_read_data_op() is called twice without the return values being checked for errors. Add these checks. Signed-off-by: Alex Dewar <alex.dewar90@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200914214245.14626-1-alex.dewar90@gmail.com