Commit 85ac30fa authored by Will Deacon's avatar Will Deacon Committed by David S. Miller

fjes: Handle workqueue allocation failure

In the highly unlikely event that we fail to allocate either of the
"/txrx" or "/control" workqueues, we should bail cleanly rather than
blindly march on with NULL queue pointer(s) installed in the
'fjes_adapter' instance.

Cc: "David S. Miller" <davem@davemloft.net>
Reported-by: default avatarNicolas Waisman <nico@semmle.com>
Link: https://lore.kernel.org/lkml/CADJ_3a8WFrs5NouXNqS5WYe7rebFP+_A5CheeqAyD_p7DFJJcg@mail.gmail.com/Signed-off-by: default avatarWill Deacon <will@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 55793d2a
......@@ -1237,8 +1237,17 @@ static int fjes_probe(struct platform_device *plat_dev)
adapter->open_guard = false;
adapter->txrx_wq = alloc_workqueue(DRV_NAME "/txrx", WQ_MEM_RECLAIM, 0);
if (unlikely(!adapter->txrx_wq)) {
err = -ENOMEM;
goto err_free_netdev;
}
adapter->control_wq = alloc_workqueue(DRV_NAME "/control",
WQ_MEM_RECLAIM, 0);
if (unlikely(!adapter->control_wq)) {
err = -ENOMEM;
goto err_free_txrx_wq;
}
INIT_WORK(&adapter->tx_stall_task, fjes_tx_stall_task);
INIT_WORK(&adapter->raise_intr_rxdata_task,
......@@ -1255,7 +1264,7 @@ static int fjes_probe(struct platform_device *plat_dev)
hw->hw_res.irq = platform_get_irq(plat_dev, 0);
err = fjes_hw_init(&adapter->hw);
if (err)
goto err_free_netdev;
goto err_free_control_wq;
/* setup MAC address (02:00:00:00:00:[epid])*/
netdev->dev_addr[0] = 2;
......@@ -1277,6 +1286,10 @@ static int fjes_probe(struct platform_device *plat_dev)
err_hw_exit:
fjes_hw_exit(&adapter->hw);
err_free_control_wq:
destroy_workqueue(adapter->control_wq);
err_free_txrx_wq:
destroy_workqueue(adapter->txrx_wq);
err_free_netdev:
free_netdev(netdev);
err_out:
......
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