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....@lge.com>
---
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
--
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