diff options
| author | Phil Sutter <n0-1@freewrt.org> | 2008-11-28 20:48:35 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-12-01 13:49:17 -0500 |
| commit | 03f60840fa462e92220b093f778b2426ceab23af (patch) | |
| tree | 5770676fec230ddee8357b3210890f34f80a6bf8 /drivers/ata | |
| parent | 9f14786e27908a176f0568cf2132558efef71b31 (diff) | |
[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 <n0-1@freewrt.org>
Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_rb532_cf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index 392116c1c16..c2e6fb9f2ef 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) |