From: Phil Sutter Date: Fri, 28 Nov 2008 19:48:35 +0000 (+0100) Subject: [libata] pata_rb532_cf: fix signature of the xfer function X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=03f60840fa462e92220b093f778b2426ceab23af;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [libata] pata_rb532_cf: fix signature of the xfer function Per definition, this function should return the number of bytes consumed. As the original parameter "buflen" is being decremented inside the read/write loop, save it in "retlen" at the beginning. Signed-off-by: Phil Sutter Acked-by: Sergei Shtyltov Acked-by: Bartlomiej Zolnierkiewicz Acked-by: Florian Fainelli Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index 392116c1c16a..c2e6fb9f2ef9 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -74,11 +74,12 @@ static void rb532_pata_exec_command(struct ata_port *ap, rb532_pata_finish_io(ap); } -static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, +static unsigned int rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) { struct ata_port *ap = adev->link->ap; void __iomem *ioaddr = ap->ioaddr.data_addr; + int retlen = buflen; if (write_data) { for (; buflen > 0; buflen--, buf++) @@ -89,6 +90,7 @@ static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, } rb532_pata_finish_io(adev->link->ap); + return retlen; } static void rb532_pata_freeze(struct ata_port *ap)