[PATCH 2/2] mt76: mt7915: fix mt7915_mcu_add_beacon
Ryder Lee
ryder.lee at mediatek.com
Sun Apr 4 08:48:24 BST 2021
ieee80211_beacon_get_template() returns NULL when beacon state is disabled.
Signed-off-by: Ryder Lee <ryder.lee at mediatek.com>
---
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 22 ++++++++++---------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 2d2bae93133b..d2e5306b153c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2451,6 +2451,17 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
struct bss_info_bcn *bcn;
int len = MT7915_BEACON_UPDATE_SIZE + MAX_BEACON_SIZE;
+ rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
+ if (IS_ERR(rskb))
+ return PTR_ERR(rskb);
+
+ tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
+ bcn = (struct bss_info_bcn *)tlv;
+ bcn->enable = en;
+
+ if (!en)
+ goto out;
+
skb = ieee80211_beacon_get_template(hw, vif, &offs);
if (!skb)
return -EINVAL;
@@ -2461,16 +2472,6 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
return -EINVAL;
}
- rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
- if (IS_ERR(rskb)) {
- dev_kfree_skb(skb);
- return PTR_ERR(rskb);
- }
-
- tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
- bcn = (struct bss_info_bcn *)tlv;
- bcn->enable = en;
-
if (mvif->band_idx) {
info = IEEE80211_SKB_CB(skb);
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
@@ -2481,6 +2482,7 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
dev_kfree_skb(skb);
+out:
return mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
MCU_EXT_CMD(BSS_INFO_UPDATE), true);
}
--
2.18.0
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