From 82385b0d2d2504aee51aa3fb40ebfb03603f64c3 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Date: Wed, 17 Oct 2018 15:01:37 +0200 Subject: net: skbuff.h: Mark expected switch fall-throughs In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- include/linux/skbuff.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/skbuff.h') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 119d092c6b13..0ba687454267 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; } -- cgit v1.2.1