brcmfmac: remove use of unconditional access of struct wireless_dev::netdev

With the introduction of the P2P_DEVICE interface type an instance of
struct wireless_dev does not always have a netdev assigned to it. Better
use container_of() construct to obtain internal structure and go from
there.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index beba7f69577b..56359e3e7eb6 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -3868,13 +3868,13 @@ brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
                                    struct wireless_dev *wdev,
                                    u16 frame_type, bool reg)
 {
-        struct brcmf_if *ifp = netdev_priv(wdev->netdev);
-        struct brcmf_cfg80211_vif *vif = ifp->vif;
+        struct brcmf_cfg80211_vif *vif;
         u16 mgmt_type;
 
         brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
 
         mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+        vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
         if (reg)
                 vif->mgmt_rx_reg |= BIT(mgmt_type);
         else
@@ -3890,7 +3890,6 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 {
         struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
         const struct ieee80211_mgmt *mgmt;
-        struct brcmf_if *ifp;
         struct brcmf_cfg80211_vif *vif;
         s32 err = 0;
         s32 ie_offset;
@@ -3926,8 +3925,7 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
                 ie_offset =  DOT11_MGMT_HDR_LEN +
                              DOT11_BCN_PRB_FIXED_LEN;
                 ie_len = len - ie_offset;
-                ifp = netdev_priv(wdev->netdev);
-                vif = ifp->vif;
+                vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
                 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
                         vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
                 err = brcmf_vif_set_mgmt_ie(vif,
@@ -3962,7 +3960,7 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
                           *cookie, le16_to_cpu(action_frame->len),
                           chan->center_freq);
 
-                ack = brcmf_p2p_send_action_frame(cfg, wdev->netdev,
+                ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
                                                   af_params);
 
                 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,