On 17 October 2018 at 15:55, Kevin Wolf <kw...@redhat.com> wrote: > Am 16.10.2018 um 19:25 hat Peter Maydell geschrieben: >> Taking the address of a field in a packed struct is a bad idea, because >> it might not be actually aligned enough for that pointer type (and >> thus cause a crash on dereference on some host architectures). Newer >> versions of clang warn about this. Avoid the bug by not using the >> "modify in place" byte swapping functions. >> >> There are a few places where the in-place swap function is >> used on something other than a packed struct field; we convert >> those anyway, for consistency. >> >> Patch produced with scripts/coccinelle/inplace-byteswaps.cocci. >> >> There are other places where we take the address of a packed member >> in this file for other purposes than passing it to a byteswap >> function (all the calls to qemu_uuid_*()); we leave those for now. >> >> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > > Thanks, applied to the block branch.
This also hasn't made it into master. thanks -- PMM