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crypto: serpent-sse2 - clear CRYPTO_TFM_REQ_MAY_SLEEP in lrw and xts modes
LRW/XTS patches for serpent-sse2 forgot to add this. CRYPTO_TFM_REQ_MAY_SLEEP should be cleared as sleeping between kernel_fpu_begin()/kernel_fpu_end() is not allowed. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -554,6 +554,7 @@ static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
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};
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int ret;
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desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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ret = lrw_crypt(desc, dst, src, nbytes, &req);
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serpent_fpu_end(crypt_ctx.fpu_enabled);
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@ -579,6 +580,7 @@ static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
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};
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int ret;
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desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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ret = lrw_crypt(desc, dst, src, nbytes, &req);
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serpent_fpu_end(crypt_ctx.fpu_enabled);
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@ -671,6 +673,7 @@ static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
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};
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int ret;
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desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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ret = xts_crypt(desc, dst, src, nbytes, &req);
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serpent_fpu_end(crypt_ctx.fpu_enabled);
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@ -697,6 +700,7 @@ static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
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};
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int ret;
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desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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ret = xts_crypt(desc, dst, src, nbytes, &req);
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serpent_fpu_end(crypt_ctx.fpu_enabled);
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