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authorLorenzo Bianconi <lorenzo@kernel.org>2020-09-14 20:29:01 +0200
committerFelix Fietkau <nbd@nbd.name>2020-09-24 18:10:20 +0200
commit071c8ce8e92a86b8bf78678e78eb4b79fdc16768 (patch)
tree53b10e5fe2e1aec2e4935f44e4e2f6196ef4d432 /drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
parentmt76: mt76x0: Move tables used only by init.c to their own header file (diff)
downloadlinux-dev-071c8ce8e92a86b8bf78678e78eb4b79fdc16768.tar.xz
linux-dev-071c8ce8e92a86b8bf78678e78eb4b79fdc16768.zip
mt76: mt7915: fix possible memory leak in mt7915_mcu_add_beacon
Release mcu message memory in case of failure in mt7915_mcu_add_beacon routine Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to '')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7915/mcu.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index d43de4334617..c1b3b7a6548a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2428,14 +2428,6 @@ 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;
-
skb = ieee80211_beacon_get_template(hw, vif, &offs);
if (!skb)
return -EINVAL;
@@ -2446,6 +2438,16 @@ 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;