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Re: [PATCH] nvmem: core: Handle shift bits in-place if cell->nbits is non-zero

From Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH] nvmem: core: Handle shift bits in-place if cell->nbits is non-zero
Date 2015-09-18 12:00 +0200
Message-ID <qa0Cv-7v5-39@gated-at.bofh.it> (permalink)
References <qa0Cv-7v5-35@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Axel,
Thanks for the patch

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>


I remember fixing this sometime back which was reported by static 
checker reported by Dan Carpenter, I forgot to send it over to wider 
audience. Thanks for reminding.


--srini
On 18/09/15 10:50, Axel Lin wrote:
> It's pointless to test (cell->bit_offset || cell->bit_offset).
> nvmem_shift_read_buffer_in_place() should be called when
> (cell->bit_offset || cell->nbits).
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
>   drivers/nvmem/core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
> index d3c6676..c39723a 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -825,7 +825,7 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem,
>   		return rc;
>
>   	/* shift bits in-place */
> -	if (cell->bit_offset || cell->bit_offset)
> +	if (cell->bit_offset || cell->nbits)
>   		nvmem_shift_read_buffer_in_place(cell, buf);
>
>   	*len = cell->bytes;
>
--
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[PATCH] nvmem: core: Handle shift bits in-place if cell->nbits is  non-zero Axel Lin <axel.lin@ingics.com> - 2015-09-18 12:00 +0200
  Re: [PATCH] nvmem: core: Handle shift bits in-place if cell->nbits  is non-zero Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2015-09-18 12:00 +0200

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