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Commit bfd634d0 authored by Antonio Quartulli's avatar Antonio Quartulli Committed by Johannes Berg
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ath6kl: make mgmt_tx accept a NULL channel 



cfg80211 passes a NULL channel to mgmt_tx if the frame has
to be sent on the one currently in use by the device.
Make the implementation of mgmt_tx correctly handle this
case

Cc: Nicolas Cavallari <Nicolas.Cavallari@lri.fr>
Acked-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: default avatarAntonio Quartulli <antonio@open-mesh.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c2ff8cad

drivers/net/wireless/ath/ath6kl/cfg80211.c

+17 −10
Original line number Diff line number Diff line
@@ -3175,10 +3175,21 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 
{

	struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);

	struct ath6kl *ar = ath6kl_priv(vif->ndev);

	u32 id;

	u32 id, freq;

	const struct ieee80211_mgmt *mgmt;

	bool more_data, queued;



	/* default to the current channel, but use the one specified as argument

	 * if any

	 */

	freq = vif->ch_hint;

	if (chan)

		freq = chan->center_freq;



	/* never send freq zero to the firmware */

	if (WARN_ON(freq == 0))

		return -EINVAL;



	mgmt = (const struct ieee80211_mgmt *) buf;

	if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&

	    ieee80211_is_probe_resp(mgmt->frame_control) &&
@@ -3188,8 +3199,7 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 
		 * command to allow the target to fill in the generic IEs.

		 */

		*cookie = 0; /* TX status not supported */

		return ath6kl_send_go_probe_resp(vif, buf, len,

						 chan->center_freq);

		return ath6kl_send_go_probe_resp(vif, buf, len, freq);

	}



	id = vif->send_action_id++;
@@ -3205,17 +3215,14 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 


	/* AP mode Power saving processing */

	if (vif->nw_type == AP_NETWORK) {

		queued = ath6kl_mgmt_powersave_ap(vif,

					id, chan->center_freq,

					wait, buf,

					len, &more_data, no_cck);

		queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,

						  &more_data, no_cck);

		if (queued)

			return 0;

	}



	return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,

					chan->center_freq, wait,

					buf, len, no_cck);

	return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,

					wait, buf, len, no_cck);

}



static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,