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36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
Per definition, this function should return the number of bytes
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consumed. Also take care of the unlikely case when buflen is not a
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multiple of four; while transferring, the division cuts the remaining
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bytes, so alter the return value accordingly.
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Signed-off-by: Phil Sutter <n0-1@freewrt.org>
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---
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drivers/ata/pata_rb532_cf.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
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index b919012..95a0d66 100644
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--- a/drivers/ata/pata_rb532_cf.c
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+++ b/drivers/ata/pata_rb532_cf.c
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@@ -75,7 +75,7 @@ static void rb532_pata_exec_command(struct ata_port *ap,
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rb532_pata_finish_io(ap);
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}
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-static void rb532_pata_data_xfer(struct ata_device *adev,
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+static unsigned int rb532_pata_data_xfer(struct ata_device *adev,
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unsigned char *buf, unsigned int buflen, int write_data)
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{
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struct ata_port *ap = adev->link->ap;
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@@ -87,6 +87,7 @@ static void rb532_pata_data_xfer(struct ata_device *adev,
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readsl(ioaddr, buf, buflen / sizeof(u32));
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rb532_pata_finish_io(adev->link->ap);
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+ return buflen - (buflen % sizeof(u32));
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}
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static void rb532_pata_freeze(struct ata_port *ap)
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--
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1.5.6.4
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