lzo'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/lzo.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/crypto/lzo.c b/crypto/lzo.c
index ec0f7b3..3cc0ce7 100644
--- a/crypto/lzo.c
+++ b/crypto/lzo.c
@@ -80,6 +80,12 @@ static int lzo_decompress(struct crypto_tfm *tfm, const u8 *src,
}
+static int lzo_decompress_noctx(const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen)
+{
+ return lzo_decompress(NULL, src, slen, dst, dlen);
+}
+
static struct crypto_alg alg = {
.cra_name = "lzo",
.cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
@@ -90,7 +96,7 @@ static struct crypto_alg alg = {
.cra_u = { .compress = {
.coa_compress = lzo_compress,
.coa_decompress = lzo_decompress,
- .coa_decompress_noctx = NULL } }
+ .coa_decompress_noctx = lzo_decompress_noctx } }
};
static int __init lzo_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
