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 <iamjoonsoo....@lge.com>
---
crypto/842.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/crypto/842.c b/crypto/842.c
index 1b6cdab..a933f71 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",
@@ -62,7 +68,7 @@ static struct crypto_alg alg = {
.cra_u = { .compress = {
.coa_compress = crypto842_compress,
.coa_decompress = crypto842_decompress,
- .coa_decompress_noctx = NULL } }
+ .coa_decompress_noctx = crypto842_decompress_noctx } }
};
static int __init crypto842_mod_init(void)
--
1.9.1
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