lz4hc'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@xxxxxxx> --- crypto/lz4hc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/crypto/lz4hc.c b/crypto/lz4hc.c index 0cb38a7..0797065 100644 --- a/crypto/lz4hc.c +++ b/crypto/lz4hc.c @@ -76,6 +76,12 @@ static int lz4hc_decompress_crypto(struct crypto_tfm *tfm, const u8 *src, return err; } +static int lz4hc_decompress_noctx(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + return lz4hc_decompress_crypto(NULL, src, slen, dst, dlen); +} + static struct crypto_alg alg_lz4hc = { .cra_name = "lz4hc", .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, @@ -87,7 +93,7 @@ static struct crypto_alg alg_lz4hc = { .cra_u = { .compress = { .coa_compress = lz4hc_compress_crypto, .coa_decompress = lz4hc_decompress_crypto, - .coa_decompress_noctx = NULL } } + .coa_decompress_noctx = lz4hc_decompress_noctx } } }; static int __init lz4hc_mod_init(void) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html