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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-10-17 15:01:37 +0200
committerDavid S. Miller <davem@davemloft.net>2018-10-17 22:31:30 -0700
commit82385b0d2d2504aee51aa3fb40ebfb03603f64c3 (patch)
treed87da9ac8b0ed4204a92e19cec38ba93ec3ea31b /include
parent9fd255928d7ffb56d8466fab3331d0b2f40aa8c7 (diff)
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h6
1 files changed, 6 insertions, 0 deletions
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;
}