From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Wed, 4 Jul 2018 17:34:37 -0500
Subject: net: core: filter: mark expected switch fall-through
Patch-mainline: v4.19-rc1
Git-commit: 2cc0608e42aceb38abc9e57a017449b9efc2e4a9
References: bsc#1109837

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Warning level 2 was used: -Wimplicit-fallthrough=2

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 net/core/filter.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4189,6 +4189,7 @@ bpf_base_func_proto(enum bpf_func_id fun
 	case BPF_FUNC_trace_printk:
 		if (capable(CAP_SYS_ADMIN))
 			return bpf_get_trace_printk_proto();
+		/* else: fall through */
 	default:
 		return NULL;
 	}