diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-08-21 11:19:51 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 18:10:15 +0200 |
| commit | e862825dcf74203c5ab60335c341766808f47507 (patch) | |
| tree | 6629197690ad2ad84f8dc68adc1a2252422041d2 | |
| parent | b496490886f919a08e946ca4cf8bdd375f54e77f (diff) | |
mt76: mt7615: fix possible memory leak in mt7615_tm_set_tx_power
Fix a memory leak in mt7615_tm_set_tx_power routine if
mt7615_eeprom_get_target_power_index fails.
Moreover do not account req_header twice in mcu skb allocation.
Fixes: 4f0bce1c88882 ("mt76: mt7615: implement testmode support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/testmode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7615/testmode.c index 1730751133aa..2cfa58d49832 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/testmode.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/testmode.c @@ -70,7 +70,7 @@ mt7615_tm_set_tx_power(struct mt7615_phy *phy) if (dev->mt76.test.state != MT76_TM_STATE_OFF) tx_power = dev->mt76.test.tx_power; - len = sizeof(req_hdr) + MT7615_EE_MAX - MT_EE_NIC_CONF_0; + len = MT7615_EE_MAX - MT_EE_NIC_CONF_0; skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + len); if (!skb) return -ENOMEM; @@ -83,8 +83,10 @@ mt7615_tm_set_tx_power(struct mt7615_phy *phy) int index; ret = mt7615_eeprom_get_target_power_index(dev, chandef->chan, i); - if (ret < 0) + if (ret < 0) { + dev_kfree_skb(skb); return -EINVAL; + } index = ret - MT_EE_NIC_CONF_0; if (tx_power && tx_power[i]) |