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authorStefan Sørensen <stefan.sorensen@spectralink.com>2017-08-30 08:58:47 +0200
committerDavid S. Miller <davem@davemloft.net>2017-08-30 23:50:11 +0200
commitd36b82bcdd1908450f8c3ba3f9b7a189cda8c69c (patch)
treebda655d89f7c989a1d0b55df21500aff03951f90 /drivers/net/phy
parentMerge branch 'net_sched-idr' (diff)
downloadlinux-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')
-rw-r--r--drivers/net/phy/dp83640.c7
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;