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| author | mav <mav@FreeBSD.org> | 2015-03-12 13:16:05 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2015-03-12 13:16:05 +0000 |
| commit | 19c51041e76489eebb60a5f32f2cbab750826a8c (patch) | |
| tree | 377197b6c59828e9d2e022852dc15a1d062e1122 | |
| parent | 86de47baf2c972658bde189dbaa24081439df055 (diff) | |
| download | FreeBSD-src-19c51041e76489eebb60a5f32f2cbab750826a8c.zip FreeBSD-src-19c51041e76489eebb60a5f32f2cbab750826a8c.tar.gz | |
MFC r270833 (by imp):
We were returning 20 bytes as the FIS size to send, but only
initializing 16. Initialize all 20 so we don't send garbage in the
Auxiliary register. The SATA standard mandates a 5 dword length for
the Host to Device FIS.
| -rw-r--r-- | sys/dev/ahci/ahci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c index 1b027b6..402810d 100644 --- a/sys/dev/ahci/ahci.c +++ b/sys/dev/ahci/ahci.c @@ -2794,7 +2794,7 @@ ahci_setup_fis(device_t dev, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag) struct ahci_channel *ch = device_get_softc(dev); u_int8_t *fis = &ctp->cfis[0]; - bzero(ctp->cfis, 16); + bzero(fis, 20); fis[0] = 0x27; /* host to device */ fis[1] = (ccb->ccb_h.target_id & 0x0f); if (ccb->ccb_h.func_code == XPT_SCSI_IO) { |
