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Commit ab300465 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: api - Fix aligned ctx helper 



The aligned ctx helper was using a bogus alignment value thas was
one off the correct value.  Fortunately the current users do not
require anything beyond the natural alignment of the platform so
this hasn't caused a problem.

This patch fixes that and also removes the unnecessary minimum
check since if the alignment is less than the natural alignment
then the subsequent ALIGN operation should be a noop.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 0b767b4d

include/crypto/algapi.h

+2 −6
Original line number Diff line number Diff line
@@ -175,12 +175,8 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc, 


static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)

{

	unsigned long addr = (unsigned long)crypto_tfm_ctx(tfm);

	unsigned long align = crypto_tfm_alg_alignmask(tfm);



	if (align <= crypto_tfm_ctx_alignment())

		align = 1;

	return (void *)ALIGN(addr, align);

	return PTR_ALIGN(crypto_tfm_ctx(tfm),

			 crypto_tfm_alg_alignmask(tfm) + 1);

}



static inline struct crypto_instance *crypto_tfm_alg_instance(