On Sat, Oct 13, 2018 at 4:56 AM, Gustavo A. R. Silva <[email protected]> wrote: > In preparation to enabling -Wimplicit-fallthrough, mark switch cases > where we are expecting to fall through. > > Signed-off-by: Gustavo A. R. Silva <[email protected]>
Acked-by: Kees Cook <[email protected]> -Kees > --- > include/linux/skbuff.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h > index 119d092..92ec346 100644 > --- a/include/linux/skbuff.h > +++ b/include/linux/skbuff.h > @@ -3505,13 +3505,19 @@ static inline bool __skb_metadata_differs(const > struct sk_buff *skb_a, > #define __it(x, op) (x -= sizeof(u##op)) > #define __it_diff(a, b, op) (*(u##op *)__it(a, op)) ^ (*(u##op *)__it(b, op)) > case 32: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 24: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 16: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 8: diffs |= __it_diff(a, b, 64); > break; > case 28: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 20: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 12: diffs |= __it_diff(a, b, 64); > + /* fall through */ > case 4: diffs |= __it_diff(a, b, 32); > break; > } > -- > 2.7.4 > -- Kees Cook Pixel Security

