As in the SATA and AHCI specifications, a FIS is 5 Dwords of 4 bytes
each, which comes to 20 bytes (decimal), not 0x20.
Signed-off-by: Daniel Verkamp <daniel@drv.nu>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 4bb9c939a5)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>