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authorSteffen Klassert <steffen.klassert@secunet.com>2010-07-07 13:30:10 (GMT)
committerHerbert Xu <herbert@gondor.apana.org.au>2010-07-14 12:29:28 (GMT)
commit4c879170296174bde05cd1c643dac16594edee77 (patch)
tree467afaa9ad1235caa110789621edb7726fdcb4cd /crypto
parent7e3de7b1be6ce0643f60aed697070e2286db32cd (diff)
padata: Check for valid padata instance on start
This patch introduces the PADATA_INVALID flag which is checked on padata start. This will be used to mark a padata instance as invalid, if the padata cpumask does not intersect with the active cpumask. we change padata_start to return an error if the PADATA_INVALID is set. Also we adapt the only padata user, pcrypt to this change. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/pcrypt.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 247178c..71ae2b2 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -385,6 +385,7 @@ static struct crypto_template pcrypt_tmpl = {
static int __init pcrypt_init(void)
{
+ int err = -ENOMEM;
encwq = create_workqueue("pencrypt");
if (!encwq)
goto err;
@@ -400,14 +401,22 @@ static int __init pcrypt_init(void)
pcrypt_dec_padata = padata_alloc(cpu_possible_mask, decwq);
if (!pcrypt_dec_padata)
- goto err_free_padata;
+ goto err_free_enc_padata;
- padata_start(pcrypt_enc_padata);
- padata_start(pcrypt_dec_padata);
+ err = padata_start(pcrypt_enc_padata);
+ if (err)
+ goto err_free_dec_padata;
+
+ err = padata_start(pcrypt_dec_padata);
+ if (err)
+ goto err_free_dec_padata;
return crypto_register_template(&pcrypt_tmpl);
-err_free_padata:
+err_free_dec_padata:
+ padata_free(pcrypt_dec_padata);
+
+err_free_enc_padata:
padata_free(pcrypt_enc_padata);
err_destroy_decwq:
@@ -417,7 +426,7 @@ err_destroy_encwq:
destroy_workqueue(encwq);
err:
- return -ENOMEM;
+ return err;
}
static void __exit pcrypt_exit(void)

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