Subject: Re: [PATCH] ieee80211: Fix sparse warning

From: "John W. Linville" <[email-masked]>
Date: Fri, 2 Feb 2007 15:32:01 -0500

On Wed, Jan 31, 2007 at 06:50:19PM -0600, Larry Finger wrote:
> Sparse issues the warning "warning: symbol 'crypt' shadows an earlier one"
> in net/ieee80211/ieee80211_tx.c.
> 
> Signed-off-by: Larry Finger <[email-masked]>
> ---
> 
> Index: wireless-2.6/net/ieee80211/ieee80211_tx.c
> ===================================================================
> --- wireless-2.6.orig/net/ieee80211/ieee80211_tx.c
> +++ wireless-2.6/net/ieee80211/ieee80211_tx.c
> @@ -502,8 +502,6 @@ int ieee80211_xmit(struct sk_buff *skb, 
>  		if (host_encrypt)
>  			ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
>  		else if (host_build_iv) {
> -			struct ieee80211_crypt_data *crypt;
> -
>  			crypt = ieee->crypt[ieee->tx_keyidx];
>  			atomic_inc(&crypt->refcnt);
>  			if (crypt->ops->build_iv)

Couldn't you remove the "crypt = ieee->crypt[ieee->tx_keyidx];"
as well?

John
-- 
John W. Linville
[email-masked]