linux-kernel - [PATCH 1/3] security: keys: annotate implicit fall through

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Message-Id: <20190114201725.13289-1-malat@debian.org>
Date:   Mon, 14 Jan 2019 21:17:23 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>, keyrings@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] security: keys: annotate implicit fall through

There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warning (W=1).

This commit remove the following warning:

  security/keys/keyring.c:248:10: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 security/keys/keyring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index eadebb92986a..b1ff07d9ce37 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -246,6 +246,7 @@ static unsigned long keyring_get_key_chunk(const void *data, int level)
 				    (ASSOC_ARRAY_KEY_CHUNK_SIZE - 8));
 		n--;
 		offset = 1;
+		/* fall through */
 	default:
 		offset += sizeof(chunk) - 1;
 		offset += (level - 3) * sizeof(chunk);
-- 
2.19.2