Am 31.05.2014 15:14, schrieb Peter Senna Tschudin:
> This patch remove variables that are initialized with a constant,
> are never updated, and are only used as parameter of return.
> Return the constant instead of using a variable.
>
> Verified by compilation only.
>
> The coccinelle script that find and fixes this issue is:
> // <smpl>
> @@
> type T;
> constant C;
> identifier ret;
> @@
> - T ret = C;
> ... when != ret
> when strict
> return
> - ret
> + C
> ;
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx>
>
> ---
> drivers/net/wireless/cw1200/sta.c | 19 +------------------
> 1 file changed, 1 insertion(+), 18 deletions(-)
>
> diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c
> index cd0cad7..622370c 100644
> --- a/drivers/net/wireless/cw1200/sta.c
> +++ b/drivers/net/wireless/cw1200/sta.c
> @@ -2289,24 +2289,7 @@ static int cw1200_upload_null(struct cw1200_common *priv)
>
> static int cw1200_upload_qosnull(struct cw1200_common *priv)
> {
> - int ret = 0;
> - /* TODO: This needs to be implemented
> -
> - struct wsm_template_frame frame = {
> - .frame_type = WSM_FRAME_TYPE_QOS_NULL,
> - .rate = 0xFF,
> - };
> -
> - frame.skb = ieee80211_qosnullfunc_get(priv->hw, priv->vif);
> - if (!frame.skb)
> - return -ENOMEM;
> -
> - ret = wsm_set_template_frame(priv, &frame);
> -
> - dev_kfree_skb(frame.skb);
> -
> - */
> - return ret;
> + return 0;
> }
>
> static int cw1200_enable_beaconing(struct cw1200_common *priv,
are you sure you want to remove the entire function ?
re,
wh
>
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