Commit 507b8200 authored by Kangjie Lu's avatar Kangjie Lu Committed by Lorenzo Pieralisi
Browse files

PCI: endpoint: Fix a potential NULL pointer dereference 



In case alloc_workqueue() fails, return -ENOMEM to avoid
potential NULL pointer dereferences.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
[lorenzo.pieralisi@arm.com: commit log and code update]
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
parent 993d5fe3

drivers/pci/endpoint/functions/pci-epf-test.c

+5 −0
Original line number Diff line number Diff line
@@ -591,6 +591,11 @@ static int __init pci_epf_test_init(void) 


	kpcitest_workqueue = alloc_workqueue("kpcitest",

					     WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);

	if (!kpcitest_workqueue) {

		pr_err("Failed to allocate the kpcitest work queue\n");

		return -ENOMEM;

	}



	ret = pci_epf_register_driver(&test_driver);

	if (ret) {

		pr_err("Failed to register pci epf test driver --> %d\n", ret);

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