mirror of https://gitee.com/openkylin/linux.git
[PATCH] ieee80211softmac_io.c: fix warning "defined but not used"
Got this compiler warning and Johannes Berg <johannes@sipsolutions.net> wrote: Yeah, known 'bug', we have that code there but never use it. Feel free to submit a patch (to John Linville, CC netdev and softmac-dev) to remove it. Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -439,48 +439,3 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
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kfree(pkt);
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return 0;
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}
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/* Create an rts/cts frame */
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static u32
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ieee80211softmac_rts_cts(struct ieee80211_hdr_2addr **pkt,
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struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
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u32 type)
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{
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/* Allocate Packet */
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(*pkt) = kmalloc(IEEE80211_2ADDR_LEN, GFP_ATOMIC);
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memset(*pkt, 0, IEEE80211_2ADDR_LEN);
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if((*pkt) == NULL)
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return 0;
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ieee80211softmac_hdr_2addr(mac, (*pkt), type, net->bssid);
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return IEEE80211_2ADDR_LEN;
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}
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/* Sends a control packet */
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static int
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ieee80211softmac_send_ctl_frame(struct ieee80211softmac_device *mac,
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struct ieee80211softmac_network *net, u32 type, u32 arg)
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{
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void *pkt = NULL;
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u32 pkt_size = 0;
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switch(type) {
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case IEEE80211_STYPE_RTS:
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case IEEE80211_STYPE_CTS:
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pkt_size = ieee80211softmac_rts_cts((struct ieee80211_hdr_2addr **)(&pkt), mac, net, type);
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break;
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default:
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printkl(KERN_DEBUG PFX "Unsupported Control Frame type: %i\n", type);
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return -EINVAL;
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}
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if(pkt_size == 0)
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return -ENOMEM;
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/* Send the packet to the ieee80211 layer for tx */
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ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *) pkt, pkt_size);
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kfree(pkt);
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return 0;
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}
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