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path: root/drivers/net/ethernet/sun/niu.c
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Diffstat (limited to 'drivers/net/ethernet/sun/niu.c')
-rw-r--r--drivers/net/ethernet/sun/niu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index f68aa813d4..41a27ae58c 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -6751,7 +6751,7 @@ static int niu_change_mtu(struct net_device *dev, int new_mtu)
orig_jumbo = (dev->mtu > ETH_DATA_LEN);
new_jumbo = (new_mtu > ETH_DATA_LEN);
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
if (!netif_running(dev) ||
(orig_jumbo == new_jumbo))