Commit e44c39bd authored by David S. Miller's avatar David S. Miller

[NET]: Add memory barrrier to netif_poll_enable()

When a driver writer calls this, they generally expect that
all previous stores and modifications they've made will be
visible before netif_poll_enable() executes, so ensure this.

Noticed by Ben H.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bfff6e92
......@@ -906,6 +906,7 @@ static inline void netif_poll_disable(struct net_device *dev)
static inline void netif_poll_enable(struct net_device *dev)
{
smp_mb__before_clear_bit();
clear_bit(__LINK_STATE_RX_SCHED, &dev->state);
}
......
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