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Commit 82385b0d authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by David S. Miller
Browse files

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: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9fd25592

include/linux/skbuff.h

+6 −0
Original line number Diff line number Diff line
@@ -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;

	}