diff options
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index e8fe86f93309..bbb2fedacb25 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2917,8 +2917,15 @@ int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset, u8 *read_buf) return ret; res = (struct mt7915_mcu_eeprom_info *)skb->data; - if (!buf) - buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); + if (!buf) { + u32 addr = le32_to_cpu(res->addr); + + if (addr > dev->mt76.eeprom.size - MT7915_EEPROM_BLOCK_SIZE) { + dev_kfree_skb(skb); + return -EINVAL; + } + buf = dev->mt76.eeprom.data + addr; + } memcpy(buf, res->data, MT7915_EEPROM_BLOCK_SIZE); dev_kfree_skb(skb); |