linux-kernel - [PATCH] crypto: ccree - fix missing break in switch statement

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Message-ID: <20190211183131.GA19193@embeddedor>
Date:   Mon, 11 Feb 2019 12:31:31 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Gilad Ben-Yossef <gilad@...yossef.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Kees Cook <keescook@...omium.org>
Subject: [PATCH] crypto: ccree - fix missing break in switch statement

Add missing break statement in order to prevent the code from falling
through to case S_DIN_to_DES.

This bug was found thanks to the ongoing efforts to enable
-Wimplicit-fallthrough.

Fixes: 63ee04c8b491 ("crypto: ccree - add skcipher support")
Cc: stable@...r.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/crypto/ccree/cc_cipher.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
index 5e3361a363b5..d9c17078517b 100644
--- a/drivers/crypto/ccree/cc_cipher.c
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -80,6 +80,7 @@ static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size)
 		default:
 			break;
 		}
+		break;
 	case S_DIN_to_DES:
 		if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE)
 			return 0;
-- 
2.20.1