be2net: Synchronize be_update_queues with dev_watchdog
As pointed out by Firo Yang, a netdev tx timeout may trigger just before an ethtool set_channels operation is started. be_tx_timeout(), which dumps some queue structures, is not written to run concurrently with be_update_queues(), which frees/allocates those queues structures. Add some synchronization between the two. Message-id: <CH2PR18MB31898E033896F9760D36BFF288C90@CH2PR18MB3189.namprd18.prod.outlook.com> Signed-off-by: Benjamin Poirier <bpoirier@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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