On Mon, Nov 10, 2014 at 07:41:40PM -0500, John Snow wrote: > This patch fixes a regression caused by commit > 659142ecf71a0da240ab0ff7cf929ee25c32b9bc. > The problem occurs when we wish to return early > from the ahci_start_transfer function, but are now > updating the transferred byte count in the AHCI > command header via ahci_commit_buf. > > This will cause problems in the Windows 8 installer. > > Don't update the byte count in the command header > for the transmission of ATAPI packets: These commands > will distort the final byte count of the actual data > payload. > > The call to ahci_commit_buf remains in the "out" > portion of the call in order to clean up the sglist. > The byte count is maintained by forcing size to be 0. > > Signed-off-by: John Snow <js...@redhat.com> > --- > hw/ide/ahci.c | 1 + > 1 file changed, 1 insertion(+)
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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