crypto: Add bulk algorithm registration interface

[linux-flexiantxendom0-3.2.10.git] / crypto / algapi.c

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 9d4a9fe..056571b 100644 (file)
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -405,6 +405,41 @@ int crypto_unregister_alg(struct crypto_alg *alg)
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_alg);
 
+int crypto_register_algs(struct crypto_alg *algs, int count)
+{
+       int i, ret;
+
+       for (i = 0; i < count; i++) {
+               ret = crypto_register_alg(&algs[i]);
+               if (ret)
+                       goto err;
+       }
+
+       return 0;
+
+err:
+       for (--i; i >= 0; --i)
+               crypto_unregister_alg(&algs[i]);
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_register_algs);
+
+int crypto_unregister_algs(struct crypto_alg *algs, int count)
+{
+       int i, ret;
+
+       for (i = 0; i < count; i++) {
+               ret = crypto_unregister_alg(&algs[i]);
+               if (ret)
+                       pr_err("Failed to unregister %s %s: %d\n",
+                              algs[i].cra_driver_name, algs[i].cra_name, ret);
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_algs);
+
 int crypto_register_template(struct crypto_template *tmpl)
 {
        struct crypto_template *q;