From: Gustavo A. R. Silva <gustavo@embeddedor.com>
Date: Mon, 11 Feb 2019 18:31:31 +0000 (-0600)
Subject: crypto: ccree - fix missing break in switch statement
X-Git-Tag: v4.19.31~269
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ce36d9fafb43740b575bd7a75a0c378c89cfa4ed;p=thirdparty%2Fkernel%2Fstable.git

crypto: ccree - fix missing break in switch statement

commit b5be853181a8d4a6e20f2073ccd273d6280cad88 upstream.

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@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
index 7623b29911af4..339e0d4928e70 100644
--- a/drivers/crypto/ccree/cc_cipher.c
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -79,6 +79,7 @@ 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;