For P2P_DEVICE interface the function brcmf_cfg80211_update_proto_addr_mode() resulted in a crash, because it assumed wdev->netdev would be valid. The ifp should be obtained through the driver vif structure which contains the wireless_dev. Reviewed-by: Hante Meuleman <meuleman@xxxxxxxxxxxx> Reviewed-by: Franky (Zhenhui) Lin <frankyl@xxxxxxxxxxxx> Reviewed-by: Daniel (Deognyoun) Kim <dekim@xxxxxxxxxxxx> Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx> Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx> --- drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 2e134a6..f3a9804 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -497,8 +497,11 @@ brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) static void brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) { - struct net_device *ndev = wdev->netdev; - struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_cfg80211_vif *vif; + struct brcmf_if *ifp; + + vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + ifp = vif->ifp; if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || (wdev->iftype == NL80211_IFTYPE_AP) || -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html