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Date: Fri, 18 Sep 2015 14:19:18 +0900 From: Joonsoo Kim <js1304@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Minchan Kim <minchan@...nel.org>, Nitin Gupta <ngupta@...are.org>, Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>, linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org, Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>, Stephan Mueller <smueller@...onox.de>, Joonsoo Kim <iamjoonsoo.kim@....com> Subject: [PATCH v3 3/9] crypyo/lz4: support decompress_noctx lz4'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 <iamjoonsoo.kim@....com> --- crypto/lz4.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/crypto/lz4.c b/crypto/lz4.c index d38ce2a..589fa251 100644 --- a/crypto/lz4.c +++ b/crypto/lz4.c @@ -76,6 +76,12 @@ static int lz4_decompress_crypto(struct crypto_tfm *tfm, const u8 *src, return err; } +static int lz4_decompress_noctx(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + return lz4_decompress_crypto(NULL, src, slen, dst, dlen); +} + static struct crypto_alg alg_lz4 = { .cra_name = "lz4", .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, @@ -87,7 +93,7 @@ static struct crypto_alg alg_lz4 = { .cra_u = { .compress = { .coa_compress = lz4_compress_crypto, .coa_decompress = lz4_decompress_crypto, - .coa_decompress_noctx = NULL } } + .coa_decompress_noctx = lz4_decompress_noctx } } }; static int __init lz4_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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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