Commit 4b004346 authored by Mark Brown's avatar Mark Brown Committed by Herbert Xu

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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b85a088f
...@@ -405,6 +405,41 @@ int crypto_unregister_alg(struct crypto_alg *alg) ...@@ -405,6 +405,41 @@ int crypto_unregister_alg(struct crypto_alg *alg)
} }
EXPORT_SYMBOL_GPL(crypto_unregister_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) int crypto_register_template(struct crypto_template *tmpl)
{ {
struct crypto_template *q; struct crypto_template *q;
......
...@@ -314,6 +314,8 @@ struct crypto_alg { ...@@ -314,6 +314,8 @@ struct crypto_alg {
*/ */
int crypto_register_alg(struct crypto_alg *alg); int crypto_register_alg(struct crypto_alg *alg);
int crypto_unregister_alg(struct crypto_alg *alg); int crypto_unregister_alg(struct crypto_alg *alg);
int crypto_register_algs(struct crypto_alg *algs, int count);
int crypto_unregister_algs(struct crypto_alg *algs, int count);
/* /*
* Algorithm query interface. * Algorithm query interface.
......
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