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net: wwan: iosm: fix recursive lock acquire in unregister
Calling unregister_netdevice() inside wwan del link is trying to acquire the held lock in ndo_stop_cb(). Instead, queue net dev to be unregistered later. Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -228,7 +228,7 @@ static void ipc_wwan_dellink(void *ctxt, struct net_device *dev,
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RCU_INIT_POINTER(ipc_wwan->sub_netlist[if_id], NULL);
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/* unregistering includes synchronize_net() */
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unregister_netdevice(dev);
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unregister_netdevice_queue(dev, head);
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unlock:
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mutex_unlock(&ipc_wwan->if_mutex);
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