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>
diff --git a/crypto/scompress.c b/crypto/scompress.c
index 6b048b3..ae1d3cf 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");
