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@xxxxxxxxxxx>
Acked-by: Sergei Shtyltov <sshtylyov@xxxxxxxxxxxxx>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Acked-by: Florian Fainelli <florian@xxxxxxxxxxx>
---
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 7b11f40..576fc99 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)
--
1.5.6.4
--
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