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From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     "Tobin C . Harding" <me@tobin.cc>, linux@rasmusvillemoes.dk,
        Petr Mladek <pmladek@suse.com>, Joe Perches <joe@perches.com>,
        linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>
Cc:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v2 9/9] lib/vsprintf: Mark expected switch fall-through
Date:   Fri, 16 Feb 2018 23:07:11 +0200
Message-Id: <20180216210711.79901-9-andriy.shevchenko@linux.intel.com>
In-Reply-To: <20180216210711.79901-1-andriy.shevchenko@linux.intel.com>
References: <20180216210711.79901-1-andriy.shevchenko@linux.intel.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 lib/vsprintf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index a49da00b79e7..28d7aca6a805 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2081,6 +2081,7 @@ int format_decode(const char *fmt, struct printf_spec *spec)
 
 	case 'x':
 		spec->flags |= SMALL;
+		/* fall through */
 
 	case 'X':
 		spec->base = 16;
@@ -3035,8 +3036,10 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 			break;
 		case 'i':
 			base = 0;
+			/* fall through */
 		case 'd':
 			is_sign = true;
+			/* fall through */
 		case 'u':
 			break;
 		case '%':
-- 
2.15.1