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[CRYPTO] api: Added asynchronous flag

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This patch adds the asynchronous flag and changes all existing users to
only look up algorithms that are synchronous.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2006-08-06 23:12:59 +10:00
parent 7fed0bf271
commit f3f632d61a
2 changed files with 4 additions and 2 deletions
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5
crypto/api.c
View File

@@ -355,7 +355,7 @@ struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags)
do { do {
struct crypto_alg *alg; struct crypto_alg *alg;
alg = crypto_alg_mod_lookup(name, 0, 0); alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC);
err = PTR_ERR(alg); err = PTR_ERR(alg);
if (IS_ERR(alg)) if (IS_ERR(alg))
continue; continue;
@@ -394,7 +394,8 @@ void crypto_free_tfm(struct crypto_tfm *tfm)
int crypto_alg_available(const char *name, u32 flags) int crypto_alg_available(const char *name, u32 flags)
{ {
int ret = 0; int ret = 0;
struct crypto_alg *alg = crypto_alg_mod_lookup(name, 0, 0); struct crypto_alg *alg = crypto_alg_mod_lookup(name, 0,
CRYPTO_ALG_ASYNC);
if (!IS_ERR(alg)) { if (!IS_ERR(alg)) {
crypto_mod_put(alg); crypto_mod_put(alg);

1
include/linux/crypto.h
View File

@@ -37,6 +37,7 @@
#define CRYPTO_ALG_LARVAL 0x00000010 #define CRYPTO_ALG_LARVAL 0x00000010
#define CRYPTO_ALG_DEAD 0x00000020 #define CRYPTO_ALG_DEAD 0x00000020
#define CRYPTO_ALG_DYING 0x00000040 #define CRYPTO_ALG_DYING 0x00000040
#define CRYPTO_ALG_ASYNC 0x00000080
/* /*
* Transform masks and values (for crt_flags). * Transform masks and values (for crt_flags).