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| author | Giovanni Cabiddu <giovanni.cabiddu@intel.com> | 2017-04-21 21:54:29 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-04-24 18:11:07 +0800 |
| commit | 3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b (patch) | |
| tree | 64bf19c51a06c41fd6f0802f51a91f8c838bc6ff | |
| parent | 6263b51eb3190d30351360fd168959af7e3a49a9 (diff) | |
| download | linux-3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b.tar.bz2 | |
crypto: scomp - allow registration of multiple scomps
Add crypto_register_scomps and crypto_unregister_scomps to allow
the registration of multiple implementations with one call.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/scompress.c | 29 | ||||
| -rw-r--r-- | include/crypto/internal/scompress.h | 3 |
2 files changed, 32 insertions, 0 deletions
diff --git a/crypto/scompress.c b/crypto/scompress.c index 6b048b36312d..ae1d3cf209e4 100644 --- a/crypto/scompress.c +++ b/crypto/scompress.c @@ -353,5 +353,34 @@ int crypto_unregister_scomp(struct scomp_alg *alg) } EXPORT_SYMBOL_GPL(crypto_unregister_scomp); +int crypto_register_scomps(struct scomp_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_register_scomp(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; --i) + crypto_unregister_scomp(&algs[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_register_scomps); + +void crypto_unregister_scomps(struct scomp_alg *algs, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_scomp(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_scomps); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Synchronous compression type"); diff --git a/include/crypto/internal/scompress.h b/include/crypto/internal/scompress.h index 3fda3c5655a0..ccad9b2c9bd6 100644 --- a/include/crypto/internal/scompress.h +++ b/include/crypto/internal/scompress.h @@ -133,4 +133,7 @@ int crypto_register_scomp(struct scomp_alg *alg); */ int crypto_unregister_scomp(struct scomp_alg *alg); +int crypto_register_scomps(struct scomp_alg *algs, int count); +void crypto_unregister_scomps(struct scomp_alg *algs, int count); + #endif |