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brcmfmac: obtain ifp through wdev structure 

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@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
wifi-calibration
Arend van Spriel 2014-09-11 22:51:32 +02:00 committed by John W. Linville
parent f1d56039b5
commit 8f2b45971b
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -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) ||