[NET]: Fix loopback crashes when multiqueue is enabled.
From: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -575,7 +575,7 @@ struct net_device
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/* The TX queue control structures */
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unsigned int egress_subqueue_count;
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struct net_device_subqueue egress_subqueue[0];
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struct net_device_subqueue egress_subqueue[1];
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};
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#define to_net_dev(d) container_of(d, struct net_device, dev)
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@ -3624,7 +3624,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
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/* ensure 32-byte alignment of both the device and private area */
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alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST +
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(sizeof(struct net_device_subqueue) * queue_count)) &
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(sizeof(struct net_device_subqueue) * (queue_count - 1))) &
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~NETDEV_ALIGN_CONST;
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alloc_size += sizeof_priv + NETDEV_ALIGN_CONST;
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@ -3642,7 +3642,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
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dev->priv = ((char *)dev +
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((sizeof(struct net_device) +
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(sizeof(struct net_device_subqueue) *
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queue_count) + NETDEV_ALIGN_CONST)
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(queue_count - 1)) + NETDEV_ALIGN_CONST)
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& ~NETDEV_ALIGN_CONST));
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}
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