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| 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/md/dm-crypt.c | |
| parent | 64baf3cfea974d2b9e671ccfdbc03e030ea5ebc6 (diff) | |
| download | op-kernel-dev-eb6f1160ddb2fdadf50f350da79d0796c37f17e2.zip op-kernel-dev-eb6f1160ddb2fdadf50f350da79d0796c37f17e2.tar.gz | |
[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/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d0a4bab..b82bc31 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; |
