linux-kernel - Re: [PATCH 2/2] mac80211: fix compilation warning

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Date:	Tue, 14 Sep 2010 07:17:12 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Felipe Contreras <felipe.contreras@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	Kalle Valo <kalle.valo@....fi>,
	Felix Fietkau <nbd@...nwrt.org>, Jouni Malinen <j@...fi>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] mac80211: fix compilation warning

On Sun, 2010-09-12 at 14:10 +0300, Felipe Contreras wrote:

>  	struct ieee80211_hdr hdr;
> -	struct ieee80211s_hdr mesh_hdr;
>  	const u8 *encaps_data;
>  	int encaps_len, skip_header_bytes;
>  	int nh_pos, h_pos;
> @@ -1755,7 +1754,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
>  		hdrlen = 30;
>  		break;
>  #ifdef CONFIG_MAC80211_MESH
> -	case NL80211_IFTYPE_MESH_POINT:
> +	case NL80211_IFTYPE_MESH_POINT: {
> +		struct ieee80211s_hdr mesh_hdr;
> +

...

might be nicer to just add __maybe_unused.

johannes

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