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authorPeter Zijlstra <peterz@infradead.org>2020-07-08 11:38:59 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-07-08 11:38:59 +0200
commitfaa2fd7cbad4609d06d7904c0a80cf2f8cd23678 (patch)
tree3a5bfcc8879b719aec97cb73ed6e020cde502546 /net/core/dev.c
parent01e377c539ca52a6c753d0fdbe93b3b8fcd66a1c (diff)
parentce3614daabea8a2d01c1dd17ae41d1ec5e5ae7db (diff)
downloadlinux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.tar.bz2
Merge branch 'sched/urgent'
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 6bc2388141f6..90b59fc50dc9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4192,10 +4192,12 @@ int dev_direct_xmit(struct sk_buff *skb, u16 queue_id)
local_bh_disable();
+ dev_xmit_recursion_inc();
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (!netif_xmit_frozen_or_drv_stopped(txq))
ret = netdev_start_xmit(skb, dev, txq, false);
HARD_TX_UNLOCK(dev, txq);
+ dev_xmit_recursion_dec();
local_bh_enable();
@@ -9547,6 +9549,13 @@ int register_netdevice(struct net_device *dev)
rcu_barrier();
dev->reg_state = NETREG_UNREGISTERED;
+ /* We should put the kobject that hold in
+ * netdev_unregister_kobject(), otherwise
+ * the net device cannot be freed when
+ * driver calls free_netdev(), because the
+ * kobject is being hold.
+ */
+ kobject_put(&dev->dev.kobj);
}
/*
* Prevent userspace races by waiting until the network