Messages in this thread Patch in this message | | | From | Jiasheng Jiang <> | Subject | [PATCH] PCI: endpoint: pci-epf-ntb: Add missing check for alloc_workqueue | Date | Wed, 4 Jan 2023 17:16:01 +0800 |
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Add check for the return value of alloc_workqueue since it may return NULL pointer.
Fixes: 8b821cf76150 ("PCI: endpoint: Add EP function driver to provide NTB functionality") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> --- drivers/pci/endpoint/functions/pci-epf-ntb.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/pci/endpoint/functions/pci-epf-ntb.c b/drivers/pci/endpoint/functions/pci-epf-ntb.c index 9a00448c7e61..304956bc0516 100644 --- a/drivers/pci/endpoint/functions/pci-epf-ntb.c +++ b/drivers/pci/endpoint/functions/pci-epf-ntb.c @@ -2124,6 +2124,9 @@ static int __init epf_ntb_init(void) kpcintb_workqueue = alloc_workqueue("kpcintb", WQ_MEM_RECLAIM | WQ_HIGHPRI, 0); + if (!kpcintb_workqueue) + return -ENOMEM; + ret = pci_epf_register_driver(&epf_ntb_driver); if (ret) { destroy_workqueue(kpcintb_workqueue); -- 2.25.1
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