x86, efi: Fix PCI ROM handing in EFI boot stub, in 32-bit mode
authorDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 7 Jan 2013 22:09:49 +0000 (22:09 +0000)
committerH. Peter Anvin <hpa@linux.intel.com>
Mon, 28 Jan 2013 04:19:37 +0000 (20:19 -0800)
commitb607e2126705ca28ecf21aa051172882bbdaae8a
tree705578a0bf1084b392096c12db94ca34e53a60b4
parentf791620fa7517e1045742c475a7f005db9a634b8
x86, efi: Fix PCI ROM handing in EFI boot stub, in 32-bit mode

The 'Attributes' argument to pci->Attributes() function is 64-bit. So
when invoking in 32-bit mode it takes two registers, not just one.

This fixes memory corruption when booting via the 32-bit EFI boot stub.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/1358513837.2397.247.camel@shinybook.infradead.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Matt Fleming <matt.fleming@intel.com>
arch/x86/boot/compressed/eboot.c