diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-03-17 17:41:12 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-03-17 17:47:52 +0100 |
| commit | 3b64e41b13af6c6a0c70a4822e111acb4a3c44b5 (patch) | |
| tree | aa0a0af4de8f1038959dd8311015567002a774a3 | |
| parent | 2ee920c2932497292ba21612c82bd2ebdab8d398 (diff) | |
mt76: always init to 0 mcu messages
Always initialize to 0 mcu messages since if they are not propely
configured they could hang the firmware.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mcu.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7603/mcu.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 1 |
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index 633ad948c21d..4048f446e3ee 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -9,14 +9,16 @@ struct sk_buff * mt76_mcu_msg_alloc(const void *data, int head_len, int data_len, int tail_len) { + int length = head_len + data_len + tail_len; struct sk_buff *skb; - skb = alloc_skb(head_len + data_len + tail_len, - GFP_KERNEL); + skb = alloc_skb(length, GFP_KERNEL); if (!skb) return NULL; + memset(skb->head, 0, length); skb_reserve(skb, head_len); + if (data && data_len) skb_put_data(skb, data, data_len); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c index b466b3ab8a2c..77985d81c447 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c @@ -27,7 +27,6 @@ __mt7603_mcu_msg_send(struct mt7603_dev *dev, struct sk_buff *skb, seq = ++mdev->mcu.msg_seq & 0xf; txd = (struct mt7603_mcu_txd *)skb_push(skb, hdrlen); - memset(txd, 0, hdrlen); txd->len = cpu_to_le16(skb->len); if (cmd == -MCU_CMD_FW_SCATTER) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index b24240f90a7d..b94b1b73fd1a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -62,7 +62,6 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb, seq = ++dev->mt76.mcu.msg_seq & 0xf; mcu_txd = (struct mt7615_mcu_txd *)skb_push(skb, sizeof(*mcu_txd)); - memset(mcu_txd, 0, sizeof(*mcu_txd)); if (cmd != -MCU_CMD_FW_SCATTER) { q_idx = MT_TX_MCU_PORT_RX_Q0; |