diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 33 | 
1 files changed, 32 insertions, 1 deletions
| diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 7c1c2658cb5f..62c453a21e49 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2611,9 +2611,36 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)  		ath10k_mac_handle_beacon(ar, skb);  	if (ieee80211_is_beacon(hdr->frame_control) || -	    ieee80211_is_probe_resp(hdr->frame_control)) +	    ieee80211_is_probe_resp(hdr->frame_control)) { +		struct ieee80211_mgmt *mgmt = (void *)skb->data; +		enum cfg80211_bss_frame_type ftype; +		u8 *ies; +		int ies_ch; +  		status->boottime_ns = ktime_get_boottime_ns(); +		if (!ar->scan_channel) +			goto drop; + +		ies = mgmt->u.beacon.variable; + +		if (ieee80211_is_beacon(mgmt->frame_control)) +			ftype = CFG80211_BSS_FTYPE_BEACON; +		else +			ftype = CFG80211_BSS_FTYPE_PRESP; + +		ies_ch = cfg80211_get_ies_channel_number(mgmt->u.beacon.variable, +							 skb_tail_pointer(skb) - ies, +							 sband->band, ftype); + +		if (ies_ch > 0 && ies_ch != channel) { +			ath10k_dbg(ar, ATH10K_DBG_MGMT, +				   "channel mismatched ds channel %d scan channel %d\n", +				   ies_ch, channel); +			goto drop; +		} +	} +  	ath10k_dbg(ar, ATH10K_DBG_MGMT,  		   "event mgmt rx skb %pK len %d ftype %02x stype %02x\n",  		   skb, skb->len, @@ -2627,6 +2654,10 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)  	ieee80211_rx_ni(ar->hw, skb);  	return 0; + +drop: +	dev_kfree_skb(skb); +	return 0;  }  static int freq_to_idx(struct ath10k *ar, int freq) |