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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-17 23:34:26 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2012-01-26 13:35:49 +1100
commit4b004346feab6b431f3e1f89ef692e3a4186fdfd (patch)
tree3d61e7d5ce736f80d473368288e4456fc9e3cf24 /crypto/algapi.c
parentb85a088f15f2070b7180735a231012843a5ac96c (diff)
downloadlinux-4b004346feab6b431f3e1f89ef692e3a4186fdfd.tar.gz
crypto: Add bulk algorithm registration interface
Hardware crypto engines frequently need to register a selection of different algorithms with the core. Simplify their code slightly, especially the error handling, by providing functions to register a number of algorithms in a single call. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/algapi.c')
-rw-r--r--crypto/algapi.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 9d4a9fe913f..056571b8544 100644
--- 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;