diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 22:01:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 22:01:27 -0800 |
| commit | 4f58cb90bcb04cfe18f524d1c9a65edef5eb3f51 (patch) | |
| tree | 8c686e8b736eed7258921909282c0955543c7d2f /crypto/algapi.c | |
| parent | e7691a1ce341c80ed9504244a36b31c025217391 (diff) | |
| parent | 08c70fc3a239475122e20b7a21dfae4c264c24f7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (54 commits)
crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig
crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs
crypto: serpent-sse2 - select LRW and XTS
crypto: twofish-x86_64-3way - remove unneeded LRW/XTS #ifdefs
crypto: twofish-x86_64-3way - select LRW and XTS
crypto: xts - remove dependency on EXPERIMENTAL
crypto: lrw - remove dependency on EXPERIMENTAL
crypto: picoxcell - fix boolean and / or confusion
crypto: caam - remove DECO access initialization code
crypto: caam - fix polarity of "propagate error" logic
crypto: caam - more desc.h cleanups
crypto: caam - desc.h - convert spaces to tabs
crypto: talitos - convert talitos_error to struct device
crypto: talitos - remove NO_IRQ references
crypto: talitos - fix bad kfree
crypto: convert drivers/crypto/* to use module_platform_driver()
char: hw_random: convert drivers/char/hw_random/* to use module_platform_driver()
crypto: serpent-sse2 - should select CRYPTO_CRYPTD
crypto: serpent - rename serpent.c to serpent_generic.c
crypto: serpent - cleanup checkpatch errors and warnings
...
Diffstat (limited to 'crypto/algapi.c')
| -rw-r--r-- | crypto/algapi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index 54dd4e33b5d..9d4a9fe913f 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -518,6 +518,35 @@ err: } EXPORT_SYMBOL_GPL(crypto_register_instance); +int crypto_unregister_instance(struct crypto_alg *alg) +{ + int err; + struct crypto_instance *inst = (void *)alg; + struct crypto_template *tmpl = inst->tmpl; + LIST_HEAD(users); + + if (!(alg->cra_flags & CRYPTO_ALG_INSTANCE)) + return -EINVAL; + + BUG_ON(atomic_read(&alg->cra_refcnt) != 1); + + down_write(&crypto_alg_sem); + + hlist_del_init(&inst->list); + err = crypto_remove_alg(alg, &users); + + up_write(&crypto_alg_sem); + + if (err) + return err; + + tmpl->free(inst); + crypto_remove_final(&users); + + return 0; +} +EXPORT_SYMBOL_GPL(crypto_unregister_instance); + int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg, struct crypto_instance *inst, u32 mask) { |