4.19-stable review patch. If anyone has any objections, please let me know.
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From: Yunshui Jiang jiangyunshui@kylinos.cn
[ Upstream commit b8ec0dc3845f6c9089573cb5c2c4b05f7fc10728 ]
mac802154 devices update their dev->stats fields locklessly. Therefore these counters should be updated atomically. Adopt SMP safe DEV_STATS_INC() and DEV_STATS_ADD() to achieve this.
Signed-off-by: Yunshui Jiang jiangyunshui@kylinos.cn Message-ID: 20240531080739.2608969-1-jiangyunshui@kylinos.cn Signed-off-by: Stefan Schmidt stefan@datenfreihafen.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/mac802154/tx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index 2f873a0dc5836..0f192174a5693 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -42,8 +42,8 @@ void ieee802154_xmit_worker(struct work_struct *work) if (res) goto err_tx;
- dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; + DEV_STATS_INC(dev, tx_packets); + DEV_STATS_ADD(dev, tx_bytes, skb->len);
ieee802154_xmit_complete(&local->hw, skb, false);
@@ -94,8 +94,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) goto err_tx; }
- dev->stats.tx_packets++; - dev->stats.tx_bytes += len; + DEV_STATS_INC(dev, tx_packets); + DEV_STATS_ADD(dev, tx_bytes, len); } else { local->tx_skb = skb; queue_work(local->workqueue, &local->tx_work);