[dm-devel] [PATCH] dm-crypt: fix endianess annotations around org_sector_of_dmreq

[Christoph Hellwig]

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On Thu, Apr 04, 2019 at 06:33:34PM +0200, Christoph Hellwig wrote:
> The sector used here is a little endian value, so use the right
> type for it.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
>  drivers/md/dm-crypt.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
> index dd6565798778..692cddf3fe2a 100644
> --- a/drivers/md/dm-crypt.c
> +++ b/drivers/md/dm-crypt.c
> @@ -1034,11 +1034,11 @@ static u8 *org_iv_of_dmreq(struct crypt_config *cc,
>  	return iv_of_dmreq(cc, dmreq) + cc->iv_size;
>  }
>  
> -static uint64_t *org_sector_of_dmreq(struct crypt_config *cc,
> +static __le64 *org_sector_of_dmreq(struct crypt_config *cc,
>  		       struct dm_crypt_request *dmreq)
>  {
>  	u8 *ptr = iv_of_dmreq(cc, dmreq) + cc->iv_size + cc->iv_size;
> -	return (uint64_t*) ptr;
> +	return (__le64 *) ptr;
>  }
>  
>  static unsigned int *org_tag_of_dmreq(struct crypt_config *cc,
> @@ -1074,7 +1074,7 @@ static int crypt_convert_block_aead(struct crypt_config *cc,
>  	struct bio_vec bv_out = bio_iter_iovec(ctx->bio_out, ctx->iter_out);
>  	struct dm_crypt_request *dmreq;
>  	u8 *iv, *org_iv, *tag_iv, *tag;
> -	uint64_t *sector;
> +	__le64 *sector;
>  	int r = 0;
>  
>  	BUG_ON(cc->integrity_iv_size && cc->integrity_iv_size != cc->iv_size);
> @@ -1169,7 +1169,7 @@ static int crypt_convert_block_skcipher(struct crypt_config *cc,
>  	struct scatterlist *sg_in, *sg_out;
>  	struct dm_crypt_request *dmreq;
>  	u8 *iv, *org_iv, *tag_iv;
> -	uint64_t *sector;
> +	__le64 *sector;
>  	int r = 0;
>  
>  	/* Reject unexpected unaligned bio. */
> -- 
> 2.20.1
> 
> --
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