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Commit 0b31d98d authored by Kangjie Lu's avatar Kangjie Lu Committed by David S. Miller
Browse files

net: thunder: fix a potential NULL pointer dereference 



In case alloc_ordered_workqueue fails, the fix reports the error
and returns -ENOMEM.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 41af8b3a

drivers/net/ethernet/cavium/thunder/nicvf_main.c

+6 −0
Original line number Diff line number Diff line
@@ -2234,6 +2234,12 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
	nic->nicvf_rx_mode_wq = alloc_ordered_workqueue("nicvf_rx_mode_wq_VF%d",

							WQ_MEM_RECLAIM,

							nic->vf_id);

	if (!nic->nicvf_rx_mode_wq) {

		err = -ENOMEM;

		dev_err(dev, "Failed to allocate work queue\n");

		goto err_unregister_interrupts;

	}



	INIT_WORK(&nic->rx_mode_work.work, nicvf_set_rx_mode_task);

	spin_lock_init(&nic->rx_mode_wq_lock);

	mutex_init(&nic->rx_mode_mtx);