Mikael Pettersson 03116d67e0
sata_promise: fix endianess bug in ASIC PRD bug workaround ...
The original workaround for the Promise ASIC PRD bug
contained an endianess bug which I failed to detect:
the adjustment of the last PRD entry's length field
applied host arithmetic to little-endian data, which
is incorrect on big-endian machines.
We have the length available in host-endian format, so
do the adjustment on host-endian data and then convert
and store it in the PRD entry's little-endian data field.
Thanks to an anonymous reviewer for detecting this bug.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se >
Signed-off-by: Jeff Garzik <jeff@garzik.org >
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03116d67e0