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| author | Stefan Sørensen <stefan.sorensen@spectralink.com> | 2017-08-30 08:58:47 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-30 23:50:11 +0200 |
| commit | d36b82bcdd1908450f8c3ba3f9b7a189cda8c69c (patch) | |
| tree | bda655d89f7c989a1d0b55df21500aff03951f90 /drivers/net/phy/dp83640.c | |
| parent | Merge branch 'net_sched-idr' (diff) | |
| download | linux-d36b82bcdd1908450f8c3ba3f9b7a189cda8c69c.tar.xz linux-d36b82bcdd1908450f8c3ba3f9b7a189cda8c69c.zip | |
dp83640: don't hold spinlock while calling netif_rx_ni
We should not hold a spinlock while pushing the skb into the networking
stack, so move the call to netif_rx_ni out of the critical region to where
we have dropped the spinlock.
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/dp83640.c')
| -rw-r--r-- | drivers/net/phy/dp83640.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index c3065236ffcc..cbd629822f04 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -874,7 +874,6 @@ static void decode_rxts(struct dp83640_private *dp83640, shhwtstamps = skb_hwtstamps(skb); memset(shhwtstamps, 0, sizeof(*shhwtstamps)); shhwtstamps->hwtstamp = ns_to_ktime(rxts->ns); - netif_rx_ni(skb); list_add(&rxts->list, &dp83640->rxpool); break; } @@ -885,6 +884,9 @@ static void decode_rxts(struct dp83640_private *dp83640, list_add_tail(&rxts->list, &dp83640->rxts); out: spin_unlock_irqrestore(&dp83640->rx_lock, flags); + + if (shhwtstamps) + netif_rx_ni(skb); } static void decode_txts(struct dp83640_private *dp83640, @@ -1425,7 +1427,6 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, shhwtstamps = skb_hwtstamps(skb); memset(shhwtstamps, 0, sizeof(*shhwtstamps)); shhwtstamps->hwtstamp = ns_to_ktime(rxts->ns); - netif_rx_ni(skb); list_del_init(&rxts->list); list_add(&rxts->list, &dp83640->rxpool); break; @@ -1438,6 +1439,8 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, skb_info->tmo = jiffies + SKB_TIMESTAMP_TIMEOUT; skb_queue_tail(&dp83640->rx_queue, skb); schedule_delayed_work(&dp83640->ts_work, SKB_TIMESTAMP_TIMEOUT); + } else { + netif_rx_ni(skb); } return true; |