netdev - Re: [PATCH net-next] nfc: store __be16 value in _

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Date: Thu, 8 Jun 2023 16:29:00 -0700
From: "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
To: Simon Horman <horms@...nel.org>, "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, "Paolo
 Abeni" <pabeni@...hat.com>
CC: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Luca Ceresoli
	<luca.ceresoli@...tlin.com>, Michael Walle <michael@...le.cc>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] nfc: store __be16 value in __be16 variable



On 6/8/2023 4:21 AM, Simon Horman wrote:
> Use a __be16 variable to store the store the big endian value of header
> in nxp_nci_i2c_fw_read().
> 
> Flagged by sparse as:
> 
>   .../i2c.c:113:22: warning: cast to restricted __be16
> 
> No functional changes intended.
> Compile tested only.
> 
> Signed-off-by: Simon Horman <horms@...nel.org>

Reviewed-by: Sridhar Samudrala <sridhar.samudrala@...el.com>


> ---
>   drivers/nfc/nxp-nci/i2c.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
> index baddaf242d18..dca25a0c2f33 100644
> --- a/drivers/nfc/nxp-nci/i2c.c
> +++ b/drivers/nfc/nxp-nci/i2c.c
> @@ -97,8 +97,8 @@ static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy *phy,
>   			       struct sk_buff **skb)
>   {
>   	struct i2c_client *client = phy->i2c_dev;
> -	u16 header;
>   	size_t frame_len;
> +	__be16 header;
>   	int r;
>   
>   	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);
> 
>