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[CRYPTO] api: Added cra_init/cra_exit

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This patch adds the hooks cra_init/cra_exit which are called during a tfm's
construction and destruction respectively.  This will be used by the instances
to allocate child tfm's.

For now this lets us get rid of the coa_init/coa_exit functions which are
used for exactly that purpose (unlike the dia_init function which is called
for each transaction).

In fact the coa_exit path is currently buggy as it may get called twice
when an error is encountered during initialisation.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2006-05-24 13:02:26 +10:00
parent 110bf1c0e9
commit c7fc05992a
4 changed files with 14 additions and 15 deletions
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5
include/linux/crypto.h
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@ -109,8 +109,6 @@ struct digest_alg {
};
struct compress_alg {
int (*coa_init)(struct crypto_tfm *tfm);
void (*coa_exit)(struct crypto_tfm *tfm);
int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src,
unsigned int slen, u8 *dst, unsigned int *dlen);
int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src,
@ -138,6 +136,9 @@ struct crypto_alg {
struct digest_alg digest;
struct compress_alg compress;
} cra_u;
int (*cra_init)(struct crypto_tfm *tfm);
void (*cra_exit)(struct crypto_tfm *tfm);
struct module *cra_module;
};