Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752400AbbHTGfr (ORCPT ); Thu, 20 Aug 2015 02:35:47 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:35566 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752222AbbHTGfp (ORCPT ); Thu, 20 Aug 2015 02:35:45 -0400 From: Joonsoo Kim X-Google-Original-From: Joonsoo Kim To: Andrew Morton Cc: Minchan Kim , Nitin Gupta , Sergey Senozhatsky , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Herbert Xu , "David S. Miller" , Stephan Mueller , Joonsoo Kim Subject: [PATCH v2 5/8] crypto/842: support decompress_noctx Date: Thu, 20 Aug 2015 15:35:01 +0900 Message-Id: <1440052504-15442-6-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440052504-15442-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1440052504-15442-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1363 Lines: 43 842's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/842.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/crypto/842.c b/crypto/842.c index b6503ea..9acb595 100644 --- a/crypto/842.c +++ b/crypto/842.c @@ -52,6 +52,12 @@ static int crypto842_decompress(struct crypto_tfm *tfm, return sw842_decompress(src, slen, dst, dlen); } +static int crypto842_decompress_noctx(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + return sw842_decompress(src, slen, dst, dlen); +} + static struct crypto_alg alg = { .cra_name = "842", .cra_driver_name = "842-generic", @@ -63,7 +69,7 @@ static struct crypto_alg alg = { .coa_compress = crypto842_compress, .coa_decompress = crypto842_decompress, .coa_compress_noctx = NULL, - .coa_decompress_noctx = NULL } } + .coa_decompress_noctx = crypto842_decompress_noctx } } }; static int __init crypto842_mod_init(void) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/