Re: [PATCH] phonet: fix building with clang

[David Miller]

From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Tue, 19 Feb 2019 22:53:50 +0100

> clang warns about overflowing the data[] member in the struct pnpipehdr:
> 
> net/phonet/pep.c:295:8: warning: array index 4 is past the end of the array (which contains 1 element) [-Warray-bounds]
>                         if (hdr->data[4] == PEP_IND_READY)
>                             ^         ~
> include/net/phonet/pep.h:66:3: note: array 'data' declared here
>                 u8              data[1];
> 
> Using a flexible array member at the end of the struct avoids the
> warning, but since we cannot have a flexible array member inside
> of the union, each index now has to be moved back by one, which
> makes it a little uglier.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Applied, thank you.