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Date:   Mon, 14 Jan 2019 21:21:42 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Mathieu Malaterre <malat@...ian.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] lib/cmdline.c:: annotate implicit fall throughs

There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings (W=1). Fix them up.

This commit remove the following warnings:

  lib/cmdline.c:137:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  lib/cmdline.c:140:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  lib/cmdline.c:143:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  lib/cmdline.c:146:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
  lib/cmdline.c:149:7: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 lib/cmdline.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/cmdline.c b/lib/cmdline.c
index 171c19b6888e..dc59d6216318 100644
--- a/lib/cmdline.c
+++ b/lib/cmdline.c
@@ -135,18 +135,23 @@ unsigned long long memparse(const char *ptr, char **retptr)
 	case 'E':
 	case 'e':
 		ret <<= 10;
+		/* fall through */
 	case 'P':
 	case 'p':
 		ret <<= 10;
+		/* fall through */
 	case 'T':
 	case 't':
 		ret <<= 10;
+		/* fall through */
 	case 'G':
 	case 'g':
 		ret <<= 10;
+		/* fall through */
 	case 'M':
 	case 'm':
 		ret <<= 10;
+		/* fall through */
 	case 'K':
 	case 'k':
 		ret <<= 10;
-- 
2.19.2

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