[PATCH V2 1/5] crypto: api - add a helper to (un)register a array of templates
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STALE2841d
SUPERSEDED
From: Xiongfeng Wang <hidden>
Date: 2019-01-17 06:49:11
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Status: Superseded by v3 (posted 2019-01-18). [go to v3]
Revision v2 (3 revisions archived).
Revisions (3)
- v1
- v2 current [diff against previous]
- v3 [diff against previous]
This patch add a helper to (un)register a array of templates. The following patches will use this helper to simplify the code. Signed-off-by: Xiongfeng Wang <redacted> --- crypto/algapi.c | 27 +++++++++++++++++++++++++++ include/crypto/algapi.h | 2 ++ 2 files changed, 29 insertions(+)
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 713baab..4c9c86b 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c@@ -494,6 +494,24 @@ int crypto_register_template(struct crypto_template *tmpl) } EXPORT_SYMBOL_GPL(crypto_register_template); +int crypto_register_templates(struct crypto_template *tmpls, int count) +{ + int i, err; + + for (i = 0; i < count; i++) { + err = crypto_register_template(&tmpls[i]); + if (err) + goto out; + } + return 0; + +out: + for (--i; i >= 0; --i) + crypto_unregister_template(&tmpls[i]); + return err; +} +EXPORT_SYMBOL_GPL(crypto_register_templates); + void crypto_unregister_template(struct crypto_template *tmpl) { struct crypto_instance *inst;
@@ -523,6 +541,15 @@ void crypto_unregister_template(struct crypto_template *tmpl) } EXPORT_SYMBOL_GPL(crypto_unregister_template); +void crypto_unregister_templates(struct crypto_template *tmpls, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_template(&tmpls[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_templates); + static struct crypto_template *__crypto_lookup_template(const char *name) { struct crypto_template *q, *tmpl = NULL;
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 093869f..4be38cd 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h@@ -143,7 +143,9 @@ struct ablkcipher_walk { void crypto_mod_put(struct crypto_alg *alg); int crypto_register_template(struct crypto_template *tmpl); +int crypto_register_templates(struct crypto_template *tmpls, int count); void crypto_unregister_template(struct crypto_template *tmpl); +void crypto_unregister_templates(struct crypto_template *tmpls, int count); struct crypto_template *crypto_lookup_template(const char *name); int crypto_register_instance(struct crypto_template *tmpl,
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1.7.12.4