linux-kernel - [PATCH] kdb: kdb_main: mark expected switch fall-throughs

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Date:   Sat, 4 Aug 2018 23:14:54 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Cc:     kgdb-bugreport@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] kdb: kdb_main: mark expected switch fall-throughs

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

Addresses-Coverity-ID: 115090 ("Missing break in switch")
Addresses-Coverity-ID: 115091 ("Missing break in switch")
Addresses-Coverity-ID: 114700 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 kernel/debug/kdb/kdb_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 2ddfce8..2249645 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1545,13 +1545,16 @@ static void kdb_md_line(const char *fmtstr, unsigned long addr,
 				*c++ = printable_char(*cp++);
 				*c++ = printable_char(*cp++);
 				addr += 4;
+				/* fall through */
 			case 4:
 				*c++ = printable_char(*cp++);
 				*c++ = printable_char(*cp++);
 				addr += 2;
+				/* fall through */
 			case 2:
 				*c++ = printable_char(*cp++);
 				addr++;
+				/* fall through */
 			case 1:
 				*c++ = printable_char(*cp++);
 				addr++;
-- 
2.7.4