ata_devchk() returns 1 if a device is present, 0 if not -- the 'bool' type clearly fits better here than 'unsigned int'... Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx> --- drivers/ata/libata-sff.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index c9dbfb3641fc..546b1f73ede5 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1751,10 +1751,13 @@ EXPORT_SYMBOL_GPL(ata_sff_prereset); * correctly storing and echoing back the * ATA shadow register contents. * + * RETURN: + * true if device is present, false if not. + * * LOCKING: * caller. */ -static unsigned int ata_devchk(struct ata_port *ap, unsigned int device) +static bool ata_devchk(struct ata_port *ap, unsigned int device) { struct ata_ioports *ioaddr = &ap->ioaddr; u8 nsect, lbal; @@ -1774,9 +1777,9 @@ static unsigned int ata_devchk(struct ata_port *ap, unsigned int device) lbal = ioread8(ioaddr->lbal_addr); if ((nsect == 0x55) && (lbal == 0xaa)) - return 1; /* we found a device */ + return true; /* we found a device */ - return 0; /* nothing found */ + return false; /* nothing found */ } /** -- 2.26.3