crypto: api - Include alignment in crypto_alg_extsize
This patch ensures that the tfm context always has enough extra memory to ensure that it is aligned according to cra_alignment. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -980,7 +980,8 @@ EXPORT_SYMBOL_GPL(crypto_xor);
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unsigned int crypto_alg_extsize(struct crypto_alg *alg)
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{
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return alg->cra_ctxsize;
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return alg->cra_ctxsize +
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(alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1));
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}
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EXPORT_SYMBOL_GPL(crypto_alg_extsize);
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