On 24 November 2016 at 09:01, Kirtika Ruchandani
<kirtika.ruchandani@xxxxxxxxx> wrote:
> Commit ca996ec56608 (ath10k: implement wmi-tlv backend)
> introduced ath10k_wmi_tlv_op_gen_vdev_start() where
> 'struct wmi_p2p_noa_descriptor *noa' is defined and set but not used.
> Compiling with W=1 gives the following warning, fix it.
> drivers/net/wireless/ath/ath10k/wmi-tlv.c: In function ‘ath10k_wmi_tlv_op_gen_vdev_start’:
> drivers/net/wireless/ath/ath10k/wmi-tlv.c:1647:33: warning: variable ‘noa’ set but not used [-Wunused-but-set-variable]
>
> Fixes: ca996ec56608 ("ath10k: implement wmi-tlv backend")
> Cc: Michal Kazior <michal.kazior@xxxxxxxxx>
> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
> Signed-off-by: Kirtika Ruchandani <kirtika@xxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath10k/wmi-tlv.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
> index e64f593..0e4bd29 100644
> --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
> +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
> @@ -1644,7 +1644,6 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar,
> {
> struct wmi_tlv_vdev_start_cmd *cmd;
> struct wmi_channel *ch;
> - struct wmi_p2p_noa_descriptor *noa;
> struct wmi_tlv *tlv;
> struct sk_buff *skb;
> size_t len;
> @@ -1702,7 +1701,6 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar,
> tlv = ptr;
> tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_STRUCT);
> tlv->len = 0;
> - noa = (void *)tlv->value;
>
> /* Note: This is a nested TLV containing:
> * [wmi_tlv][wmi_p2p_noa_descriptor][wmi_tlv]..
I would rather keep this one as it serves as documentation. Would
"(void) noa;" be enough satisfy the compiler?
Michał
