linux-kernel - [PATCH 4.19 012/280] crypto: ccree - fix missing break in switch statement

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Date:   Fri, 22 Mar 2019 12:12:45 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH 4.19 012/280] crypto: ccree - fix missing break in switch statement

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gustavo A. R. Silva <gustavo@...eddedor.com>

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@...r.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/crypto/ccree/cc_cipher.c |    1 +
 1 file changed, 1 insertion(+)

--- 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
 		default:
 			break;
 		}
+		break;
 	case S_DIN_to_DES:
 		if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE)
 			return 0;