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authorSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
committerSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
commit6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch)
treeee55c67e4ea30b9eb44f301ba0bde2e631a26162 /net/core/netpoll.c
parent52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff)
parente98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r--net/core/netpoll.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 9424673009c1..29be2466970c 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -105,15 +105,21 @@ static void queue_process(struct work_struct *work)
while ((skb = skb_dequeue(&npinfo->txq))) {
struct net_device *dev = skb->dev;
struct netdev_queue *txq;
+ unsigned int q_index;
if (!netif_device_present(dev) || !netif_running(dev)) {
kfree_skb(skb);
continue;
}
- txq = skb_get_tx_queue(dev, skb);
-
local_irq_save(flags);
+ /* check if skb->queue_mapping is still valid */
+ q_index = skb_get_queue_mapping(skb);
+ if (unlikely(q_index >= dev->real_num_tx_queues)) {
+ q_index = q_index % dev->real_num_tx_queues;
+ skb_set_queue_mapping(skb, q_index);
+ }
+ txq = netdev_get_tx_queue(dev, q_index);
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (netif_xmit_frozen_or_stopped(txq) ||
netpoll_start_xmit(skb, dev, txq) != NETDEV_TX_OK) {