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| author | David S. Miller <davem@davemloft.net> | 2012-12-19 15:22:03 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-19 15:22:03 -0800 |
| commit | b35d282ef7345320b594d48d8d70caedfa962a01 (patch) | |
| tree | 2f9ad1253bbabf3fe16aaac8639756d57297adba /arch | |
| parent | a8d97cef2168ffe5af1aeed6bf6cdc3ce53f3d0b (diff) | |
| download | linux-stable-b35d282ef7345320b594d48d8d70caedfa962a01.tar.gz linux-stable-b35d282ef7345320b594d48d8d70caedfa962a01.tar.bz2 linux-stable-b35d282ef7345320b594d48d8d70caedfa962a01.zip | |
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in AES 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')
| -rw-r--r-- | arch/sparc/crypto/aes_glue.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index d26e75126fb5..503e6d96ad4e 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -222,6 +222,7 @@ static int ecb_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; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -251,6 +252,7 @@ static int ecb_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; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; @@ -280,6 +282,7 @@ 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; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -309,6 +312,7 @@ 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; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; |