diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2005-09-01 17:43:25 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2005-09-01 17:43:25 -0700 |
commit | eb6f1160ddb2fdadf50f350da79d0796c37f17e2 (patch) | |
tree | e7b048b089b4b0ec9f121eea9a7f5864999dbac3 /drivers | |
parent | 64baf3cfea974d2b9e671ccfdbc03e030ea5ebc6 (diff) |
[CRYPTO]: Use CRYPTO_TFM_REQ_MAY_SLEEP where appropriate
This patch goes through the current users of the crypto layer and sets
CRYPTO_TFM_REQ_MAY_SLEEP at crypto_alloc_tfm() where all crypto operations
are performed in process context.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/cryptoloop.c | 6 | ||||
-rw-r--r-- | drivers/md/dm-crypt.c | 7 | ||||
-rw-r--r-- | drivers/net/wireless/airo.c | 2 |
3 files changed, 9 insertions, 6 deletions
diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 5be6f998d8c5..3d4261c39f16 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -57,9 +57,11 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info) mode = strsep(&cmsp, "-"); if (mode == NULL || strcmp(mode, "cbc") == 0) - tfm = crypto_alloc_tfm(cipher, CRYPTO_TFM_MODE_CBC); + tfm = crypto_alloc_tfm(cipher, CRYPTO_TFM_MODE_CBC | + CRYPTO_TFM_REQ_MAY_SLEEP); else if (strcmp(mode, "ecb") == 0) - tfm = crypto_alloc_tfm(cipher, CRYPTO_TFM_MODE_ECB); + tfm = crypto_alloc_tfm(cipher, CRYPTO_TFM_MODE_ECB | + CRYPTO_TFM_REQ_MAY_SLEEP); if (tfm == NULL) return -EINVAL; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d0a4bab220e5..b82bc3150476 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -144,7 +144,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, } /* Hash the cipher key with the given hash algorithm */ - hash_tfm = crypto_alloc_tfm(opts, 0); + hash_tfm = crypto_alloc_tfm(opts, CRYPTO_TFM_REQ_MAY_SLEEP); if (hash_tfm == NULL) { ti->error = PFX "Error initializing ESSIV hash"; return -EINVAL; @@ -172,7 +172,8 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, /* Setup the essiv_tfm with the given salt */ essiv_tfm = crypto_alloc_tfm(crypto_tfm_alg_name(cc->tfm), - CRYPTO_TFM_MODE_ECB); + CRYPTO_TFM_MODE_ECB | + CRYPTO_TFM_REQ_MAY_SLEEP); if (essiv_tfm == NULL) { ti->error = PFX "Error allocating crypto tfm for ESSIV"; kfree(salt); @@ -587,7 +588,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad1; } - tfm = crypto_alloc_tfm(cipher, crypto_flags); + tfm = crypto_alloc_tfm(cipher, crypto_flags | CRYPTO_TFM_REQ_MAY_SLEEP); if (!tfm) { ti->error = PFX "Error allocating crypto tfm"; goto bad1; diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index df20adcd0730..7fdb85dda4e5 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -1301,7 +1301,7 @@ static int micsetup(struct airo_info *ai) { int i; if (ai->tfm == NULL) - ai->tfm = crypto_alloc_tfm("aes", 0); + ai->tfm = crypto_alloc_tfm("aes", CRYPTO_TFM_REQ_MAY_SLEEP); if (ai->tfm == NULL) { printk(KERN_ERR "airo: failed to load transform for AES\n"); |