[U-Boot] [PATCH] Use packed structures for networking

[Joe Hershberger]

On Fri, Jul 21, 2017 at 11:28 AM, Denis Pynkin
<denis.pynkin at collabora.com> wrote:
> PXE boot is broken with GCC 7.1 due option '-fstore-merging' enabled
> by default for '-O2':
>
> BOOTP broadcast 1
> data abort
> pc : [<8ff8bb30>]          lr : [<00004f1f>]
> reloc pc : [<17832b30>]    lr : [<878abf1f>]
> sp : 8f558bc0  ip : 00000000     fp : 8ffef5a4
> r10: 8ffed248  r9 : 8f558ee0     r8 : 8ffef594
> r7 : 0000000e  r6 : 8ffed700     r5 : 00000000  r4 : 8ffed74e
> r3 : 00060101  r2 : 8ffed230     r1 : 8ffed706  r0 : 00000ddd
> Flags: nzcv  IRQs off  FIQs off  Mode SVC_32
> Resetting CPU ...
>
> Core reason is usage of structures for network headers without packed
> attribute.
>
> Reviewed-by: Yauheni Kaliuta <yauheni.kaliuta at redhat.com>
> Signed-off-by: Denis Pynkin <denis.pynkin at collabora.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>