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Commit ba75e15f authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: aead - Add type-safe function for freeing instances 



This patch adds a type-safe function for freeing AEAD instances
to struct aead_instance.  This replaces the existing free function
in struct crypto_template which does not know the type of the
instance that it's freeing.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 319382a6

crypto/aead.c

+13 −0
Original line number Original line Diff line number Diff line
@@ -307,9 +307,22 @@ static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg) 
	seq_printf(m, "geniv        : <none>\n");

	seq_printf(m, "geniv        : <none>\n");

}

}





static void crypto_aead_free_instance(struct crypto_instance *inst)

{

	struct aead_instance *aead = aead_instance(inst);



	if (!aead->free) {

		inst->tmpl->free(inst);

		return;

	}



	aead->free(aead);

}



static const struct crypto_type crypto_new_aead_type = {

static const struct crypto_type crypto_new_aead_type = {

	.extsize = crypto_alg_extsize,

	.extsize = crypto_alg_extsize,

	.init_tfm = crypto_aead_init_tfm,

	.init_tfm = crypto_aead_init_tfm,

	.free = crypto_aead_free_instance,

#ifdef CONFIG_PROC_FS

#ifdef CONFIG_PROC_FS

	.show = crypto_aead_show,

	.show = crypto_aead_show,

#endif

#endif

include/crypto/internal/aead.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -21,6 +21,7 @@ 
struct rtattr;

struct rtattr;





struct aead_instance {

struct aead_instance {

	void (*free)(struct aead_instance *inst);

	union {

	union {

		struct {

		struct {

			char head[offsetof(struct aead_alg, base)];

			char head[offsetof(struct aead_alg, base)];