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Commit f3f632d6 authored by Herbert Xu's avatar Herbert Xu
Browse files

[CRYPTO] api: Added asynchronous flag



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

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 7fed0bf2
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+3 −2
Original line number Original line Diff line number Diff line
@@ -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 −0
Original line number Original line Diff line number Diff line
@@ -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).