Re: [PATCH] net: wireless/ath: Fix compile error seen with W=1

[Vladimir Kondratiev <qca_vkondrat-A+ZNKFmMK5xy9aJCnZT0Uw@public.gmane.org>]

On Saturday, January 26, 2013 06:26:08 PM Guenter Roeck wrote:
> make W=1 for x86_64 fails with
> 
> drivers/net/wireless/ath/wil6210/txrx.c: In function ‘wil_rx_fini’:
> drivers/net/wireless/ath/wil6210/txrx.c:550:7: error: variable ‘rc’ set but not
> used [-Werror=unused-but-set-variable]
> 
> Fix by dropping the variable.
> 
> Signed-off-by: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
> ---
>  drivers/net/wireless/ath/wil6210/txrx.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
> index f29c294..b6e8042 100644
> --- a/drivers/net/wireless/ath/wil6210/txrx.c
> +++ b/drivers/net/wireless/ath/wil6210/txrx.c
> @@ -547,7 +547,6 @@ void wil_rx_fini(struct wil6210_priv *wil)
>  	struct vring *vring = &wil->vring_rx;
>  
>  	if (vring->va) {
> -		int rc;
>  		struct wmi_cfg_rx_chain_cmd cmd = {
>  			.action = cpu_to_le32(WMI_RX_CHAIN_DEL),
>  			.rx_sw_ring = {
> @@ -559,7 +558,7 @@ void wil_rx_fini(struct wil6210_priv *wil)
>  			struct wmi_cfg_rx_chain_done_event cfg;
>  		} __packed wmi_rx_cfg_reply;
>  
> -		rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
> +		(void)wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
>  			      WMI_CFG_RX_CHAIN_DONE_EVENTID,
>  			      &wmi_rx_cfg_reply, sizeof(wmi_rx_cfg_reply),
>  			      100);
> 

Thanks for finding it.

I will send series of new patches shortly. This will include changes in
rx chain initialization that, among other, remove fragment you fixed.
Reason is firmware API changes.

Thanks, Vladimir
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