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Commit e7519f99 authored by Ganesh Goudar's avatar Ganesh Goudar Committed by David S. Miller
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cxgb4: avoid enabling napi twice to the same queue 



Take uld mutex to avoid race between cxgb_up() and
cxgb4_register_uld() to enable napi for the same uld
queue.

Signed-off-by: default avatarGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6e80ac5c

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+4 −0
Original line number Diff line number Diff line
@@ -2196,10 +2196,14 @@ static int cxgb_up(struct adapter *adap) 
		if (err)

			goto irq_err;

	}



	mutex_lock(&uld_mutex);

	enable_rx(adap);

	t4_sge_start(adap);

	t4_intr_enable(adap);

	adap->flags |= FULL_INIT_DONE;

	mutex_unlock(&uld_mutex);



	notify_ulds(adap, CXGB4_STATE_UP);

#if IS_ENABLED(CONFIG_IPV6)

	update_clip(adap);