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[CRYPTO] api: Allow replacement when registering new algorithms 

We already allow asynchronous removal of existing algorithm modules.  By
allowing the replacement of existing algorithms, we can replace algorithms
without having to wait for for all existing users to complete.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Herbert Xu 2006-05-21 11:57:20 +10:00
parent d913ea0d6b
commit 996e2523cc
1 changed files with 2 additions and 2 deletions
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4
crypto/api.c
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@ -267,13 +267,13 @@ int crypto_register_alg(struct crypto_alg *alg)
down_write(&crypto_alg_sem);
list_for_each_entry(q, &crypto_alg_list, cra_list) {
if (!strcmp(q->cra_driver_name, alg->cra_driver_name)) {
if (q == alg) {
ret = -EEXIST;
goto out;
}
}
list_add_tail(&alg->cra_list, &crypto_alg_list);
list_add(&alg->cra_list, &crypto_alg_list);
out:
up_write(&crypto_alg_sem);
return ret;