linux-kernel - Re: [PATCH] staging: vt6656: Remove unnecessary local variables initialization

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Date:   Mon, 2 Mar 2020 15:49:49 +0000
From:   Quentin Deslandes <quentin.deslandes@...ev.co.uk>
To:     Oscar Carter <oscar.carter@....com>
Cc:     Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Malcolm Priestley <tvboxspy@...il.com>,
        Gabriela Bittencourt <gabrielabittencourt00@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: vt6656: Remove unnecessary local variables
 initialization

On Sun, Mar 01, 2020 at 02:50:28PM +0100, Oscar Carter wrote:
> Don't initialize variables that are then set a few lines later.
> 
> Signed-off-by: Oscar Carter <oscar.carter@....com>
> ---
>  drivers/staging/vt6656/main_usb.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
> index 701300202b21..bfeb5df896fe 100644
> --- a/drivers/staging/vt6656/main_usb.c
> +++ b/drivers/staging/vt6656/main_usb.c
> @@ -109,7 +109,7 @@ static void vnt_set_options(struct vnt_private *priv)
>   */
>  static int vnt_init_registers(struct vnt_private *priv)
>  {
> -	int ret = 0;
> +	int ret;
>  	struct vnt_cmd_card_init *init_cmd = &priv->init_command;
>  	struct vnt_rsp_card_init *init_rsp = &priv->init_response;
>  	u8 antenna;
> @@ -435,7 +435,7 @@ static void vnt_free_int_bufs(struct vnt_private *priv)
> 
>  static int vnt_alloc_bufs(struct vnt_private *priv)
>  {
> -	int ret = 0;
> +	int ret;
>  	struct vnt_usb_send_context *tx_context;
>  	struct vnt_rcb *rcb;
>  	int ii;
> @@ -528,7 +528,7 @@ static void vnt_tx_80211(struct ieee80211_hw *hw,
> 
>  static int vnt_start(struct ieee80211_hw *hw)
>  {
> -	int ret = 0;
> +	int ret;
>  	struct vnt_private *priv = hw->priv;
> 
>  	priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS;
> @@ -798,7 +798,7 @@ static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,
>  	struct vnt_private *priv = hw->priv;
>  	struct netdev_hw_addr *ha;
>  	u64 mc_filter = 0;
> -	u32 bit_nr = 0;
> +	u32 bit_nr;
> 
>  	netdev_hw_addr_list_for_each(ha, mc_list) {
>  		bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
> @@ -973,7 +973,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
>  	struct vnt_private *priv;
>  	struct ieee80211_hw *hw;
>  	struct wiphy *wiphy;
> -	int rc = 0;
> +	int rc;
> 
>  	udev = usb_get_dev(interface_to_usbdev(intf));
> 
> --
> 2.20.1
> 

Looks good.

Reviewed-by: Quentin Deslandes <quentin.deslandes@...ev.co.uk>

Thanks,
Quentin