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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:38:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:38:54 +0200 |
| commit | 412a5feba414127a6c69452dfad454086867011f (patch) | |
| tree | bf5934b41bff82f4ec69283d10fb1a799f42a641 /drivers/ata/pata_legacy.c | |
| parent | 5f0ac3a1dae17ec0af6b845376247d7cc948ea3d (diff) | |
| parent | 519d81956ee277b4419c723adfb154603c2565ba (diff) | |
| download | lwn-412a5feba414127a6c69452dfad454086867011f.tar.gz lwn-412a5feba414127a6c69452dfad454086867011f.zip | |
Merge 5.15-rc6 into tty-next
We need the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ata/pata_legacy.c')
| -rw-r--r-- | drivers/ata/pata_legacy.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index c3e6592712c4..0a8bf09a5c19 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -352,7 +352,8 @@ static unsigned int pdc_data_xfer_vlb(struct ata_queued_cmd *qc, iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { - __le32 pad; + __le32 pad = 0; + if (rw == READ) { pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr)); memcpy(buf + buflen - slop, &pad, slop); @@ -742,7 +743,8 @@ static unsigned int vlb32_data_xfer(struct ata_queued_cmd *qc, ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { - __le32 pad; + __le32 pad = 0; + if (rw == WRITE) { memcpy(&pad, buf + buflen - slop, slop); iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr); |