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| author | David S. Miller <davem@davemloft.net> | 2012-12-20 00:43:38 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-20 00:43:38 +0100 |
| commit | b3a37947074fa0a488d6c7ede58125b2278ab4e8 (patch) | |
| tree | 86a425ab58db944d95f4757138f142f5e7f455d4 /arch/sparc | |
| parent | sparc64: Fix ECB looping constructs in AES code. (diff) | |
| download | linux-b3a37947074fa0a488d6c7ede58125b2278ab4e8.tar.xz linux-b3a37947074fa0a488d6c7ede58125b2278ab4e8.zip | |
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in DES code.
We use the FPU and therefore cannot sleep during the crypto
loops.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/crypto/des_glue.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 41524cebcc49..3065bc61f9d3 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -100,6 +100,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) des_sparc64_load_keys(&ctx->encrypt_expkey[0]); @@ -147,6 +148,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->encrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -177,6 +179,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->decrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -266,6 +269,7 @@ static int __ecb3_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) K = &ctx->encrypt_expkey[0]; @@ -317,6 +321,7 @@ static int cbc3_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->encrypt_expkey[0]; des3_ede_sparc64_load_keys(K); @@ -352,6 +357,7 @@ static int cbc3_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->decrypt_expkey[0]; des3_ede_sparc64_load_keys(K); |