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authorGiovanni Cabiddu <giovanni.cabiddu@intel.com>2017-04-21 21:54:29 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2017-04-24 18:11:07 +0800
commit3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b (patch)
tree64bf19c51a06c41fd6f0802f51a91f8c838bc6ff
parentcrypto: ccp - Change ISR handler method for a v5 CCP (diff)
downloadlinux-dev-3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b.tar.xz
linux-dev-3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b.zip
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>
Diffstat (limited to '')
-rw-r--r--crypto/scompress.c29
-rw-r--r--include/crypto/internal/scompress.h3
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