diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index e975d10e60094..d4492d02e4ea1 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -1466,8 +1466,8 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
 			       ETH_ALEN);
 	memcpy(mgmt_frame->sa, e->addr, ETH_ALEN);
 	mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION);
-	memcpy(&mgmt_frame->u, frame, mgmt_frame_len);
-	mgmt_frame_len += offsetof(struct ieee80211_mgmt, u);
+	memcpy(mgmt_frame->u.body, frame, mgmt_frame_len);
+	mgmt_frame_len += offsetof(struct ieee80211_mgmt, u.body);
 
 	freq = ieee80211_channel_to_frequency(ch.control_ch_num,
 					      ch.band == BRCMU_CHAN_BAND_2G ?
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 80d6308dea06f..2463bdd2a382d 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1356,6 +1356,7 @@ struct ieee80211_mgmt {
 				} __packed wnm_timing_msr;
 			} u;
 		} __packed action;
+		DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
 	} u;
 } __packed __aligned(2);