Commit 72fa4919 authored by Herbert Xu's avatar Herbert Xu
Browse files

[CRYPTO] api: Rename crypto_alg_get to crypto_mod_get 



The functions crypto_alg_get and crypto_alg_put operates on the crypto
modules rather than the algorithms.  Therefore it makes sense to call
them crypto_mod_get and crypto_alg_put respectively.

This is needed because we need to have real algorithm reference counters
for parameterised algorithms as they can be unregistered from below by
when their parameter algorithms are themselves unregistered.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eaf44088

crypto/api.c

+7 −7
Original line number Diff line number Diff line
@@ -29,12 +29,12 @@ 
LIST_HEAD(crypto_alg_list);

DECLARE_RWSEM(crypto_alg_sem);



static inline int crypto_alg_get(struct crypto_alg *alg)

static inline int crypto_mod_get(struct crypto_alg *alg)

{

	return try_module_get(alg->cra_module);

}



static inline void crypto_alg_put(struct crypto_alg *alg)

static inline void crypto_mod_put(struct crypto_alg *alg)

{

	module_put(alg->cra_module);

}
@@ -57,12 +57,12 @@ static struct crypto_alg *crypto_alg_lookup(const char *name) 
		if (!exact && !(fuzzy && q->cra_priority > best))

			continue;



		if (unlikely(!crypto_alg_get(q)))

		if (unlikely(!crypto_mod_get(q)))

			continue;



		best = q->cra_priority;

		if (alg)

			crypto_alg_put(alg);

			crypto_mod_put(alg);

		alg = q;



		if (exact)
@@ -202,7 +202,7 @@ out_free_tfm: 
	kfree(tfm);

	tfm = NULL;

out_put:

	crypto_alg_put(alg);

	crypto_mod_put(alg);

out:

	return tfm;

}
@@ -221,7 +221,7 @@ void crypto_free_tfm(struct crypto_tfm *tfm) 
	if (alg->cra_exit)

		alg->cra_exit(tfm);

	crypto_exit_ops(tfm);

	crypto_alg_put(alg);

	crypto_mod_put(alg);

	memset(tfm, 0, size);

	kfree(tfm);

}
@@ -305,7 +305,7 @@ int crypto_alg_available(const char *name, u32 flags) 
	struct crypto_alg *alg = crypto_alg_mod_lookup(name);

	

	if (alg) {

		crypto_alg_put(alg);

		crypto_mod_put(alg);

		ret = 1;

	}

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