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@debian.org>
Signed-off-by: James Morris <james.morris@microsoft.com>

diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index eadebb92986ac3fa5e9e269b6bc1fc79dc64a438..b1ff07d9ce37e4ab30b8ae267b60ca7e4a993b96 100644 (file)
--- 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);