On 08/18/2014 08:31 AM, Joe Perches wrote: > On Mon, 2014-08-18 at 08:29 -0700, Alexander Duyck wrote: >> Doing any kind of pointer math on a void pointer is generally unsafe as >> it is an incomplete type. The only reason why it works in GCC is >> because GCC has a nonstandard extension that makes it report as having a >> size of 1. > > I know. It's used in quite a few places in kernel code > so I believe it's now a base assumption for the kernel.
Well that is something that should probably be fixed then. I don't believe it is safe to be doing any kind of pointer math on a void pointer. We really shouldn't be using any GCC specific bits unless we absolutely have to. Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
