diff options
| author | David S. Miller <davem@davemloft.net> | 2017-09-02 02:42:05 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-02 02:42:05 +0200 |
| commit | 6026e043d09012c6269f9a96a808d52d9c498224 (patch) | |
| tree | a80578915557db98596821ff60d2ff37dafffb4f /drivers/net/hyperv | |
| parent | inetpeer: fix RCU lookup() (diff) | |
| parent | epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove() (diff) | |
| download | linux-6026e043d09012c6269f9a96a808d52d9c498224.tar.xz linux-6026e043d09012c6269f9a96a808d52d9c498224.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index fac44c5c8d0d..05ee870c3636 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1578,7 +1578,12 @@ static void netvsc_link_change(struct work_struct *w) bool notify = false, reschedule = false; unsigned long flags, next_reconfig, delay; - rtnl_lock(); + /* if changes are happening, comeback later */ + if (!rtnl_trylock()) { + schedule_delayed_work(&ndev_ctx->dwork, LINKCHANGE_INT); + return; + } + net_device = rtnl_dereference(ndev_ctx->nvdev); if (!net_device) goto out_unlock; |