Commit c2110f28 authored May 28, 2015 by Herbert Xu

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>

parent 5c98d620

crypto/algapi.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -980,7 +980,8 @@ EXPORT_SYMBOL_GPL(crypto_xor);

		unsigned int crypto_alg_extsize(struct crypto_alg *alg)
		{
		return alg->cra_ctxsize;
		return alg->cra_ctxsize +
		(alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1));
		}
		EXPORT_SYMBOL_GPL(crypto_alg_extsize);