crypto: acomp - search acomp with scomp backend in crypto_has_acomp
authorBarry Song <song.bao.hua@hisilicon.com>
Thu, 30 Apr 2020 05:10:18 +0000 (17:10 +1200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 8 May 2020 05:30:41 +0000 (15:30 +1000)
users may call crypto_has_acomp to confirm the existence of acomp before using
crypto_acomp APIs. Right now, many acomp have scomp backend, for example, lz4,
lzo, deflate etc. crypto_has_acomp will return false for them even though they
support acomp APIs.

Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
include/crypto/acompress.h

index d873f99..2b4d2b0 100644 (file)
@@ -157,7 +157,7 @@ static inline int crypto_has_acomp(const char *alg_name, u32 type, u32 mask)
 {
        type &= ~CRYPTO_ALG_TYPE_MASK;
        type |= CRYPTO_ALG_TYPE_ACOMPRESS;
-       mask |= CRYPTO_ALG_TYPE_MASK;
+       mask |= CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
 
        return crypto_has_alg(alg_name, type, mask);
 }