ata_sff_data_xfer[32]() use pad area if the transfer size isn't
multiple of transfer size; however, this area wasn't cleared and
garbage data in pad area could be transferred to the device. Make
sure the pad area is cleared.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Lei Ming <tom.leiming@xxxxxxxxx>
---
drivers/ata/libata-sff.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index c24127d..2487ea7 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -569,7 +569,7 @@ unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf,
/* Transfer trailing byte, if any. */
if (unlikely(buflen & 0x01)) {
- unsigned char pad[2];
+ unsigned char pad[2] = { };
/* Point buf to the tail of buffer */
buf += buflen - 1;
@@ -628,7 +628,7 @@ unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf,
/* Transfer trailing bytes, if any */
if (unlikely(slop)) {
- unsigned char pad[4];
+ unsigned char pad[4] = { };
/* Point buf to the tail of buffer */
buf += buflen - slop;
--
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