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brcmfmac: Reject change vif for p2p if.

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Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-02-08 15:53:56 +01:00 committed by John W. Linville
parent cdcef36b3f
commit 1bc7c654a9
1 changed files with 12 additions and 0 deletions
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12
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -673,6 +673,18 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
infra = 0;
break;
case NL80211_IFTYPE_STATION:
/* Ignore change for p2p IF. Unclear why supplicant does this */
if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
(vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
/* WAR: It is unexpected to get a change of VIF for P2P
* IF, but it happens. The request can not be handled
* but returning EPERM causes a crash. Returning 0
* without setting ieee80211_ptr->iftype causes trace
* (WARN_ON) but it works with wpa_supplicant
*/
return 0;
}
vif->mode = WL_MODE_BSS;
infra = 1;
break;