[ 083/123] sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in CAMELLIA code.

Greg Kroah-Hartman
2013-01-09T20:58:17Z

From: "David S. Miller" <davem@davemloft.net>

[ Upstream commit 62ba63dc892cf836ecb9ce4fdb7644d45c95070b ]

We use the FPU and therefore cannot sleep during the crypto
loops.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/sparc/crypto/camellia_glue.c | 3 +++
1 file changed, 3 insertions(+)

--- a/arch/sparc/crypto/camellia_glue.c
+++ b/arch/sparc/crypto/camellia_glue.c
@@ -98,6 +98,7 @@ static int __ecb_crypt(struct blkcipher_

blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;

if (encrypt)
key = &ctx->encrypt_key[0];
@@ -160,6 +161,7 @@ static int cbc_encrypt(struct blkcipher_

blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;

key = &ctx->encrypt_key[0];
camellia_sparc64_load_keys(key, ctx->key_len);
@@ -198,6 +200,7 @@ static int cbc_decrypt(struct blkcipher_

blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;

key = &ctx->decrypt_key[0];
camellia_sparc64_load_keys(key, ctx->key_len);