| Message ID | 20230104090808.46085-1-jiasheng@iscas.ac.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Krzysztof Wilczyński |
| Headers | show |
| Series | PCI: endpoint: pci-epf-vntb: Add missing check for alloc_workqueue | expand |
On Wed, Jan 04, 2023 at 05:08:08PM +0800, Jiasheng Jiang wrote: > Add check for the return value of alloc_workqueue since it may return > NULL pointer. > > Fixes: e35f56bb0330 ("PCI: endpoint: Support NTB transfer between RC and EP") > Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org> - Mani > --- > drivers/pci/endpoint/functions/pci-epf-vntb.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c > index 04698e7995a5..05c99185ba65 100644 > --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c > +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c > @@ -1441,6 +1441,9 @@ 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 >
diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c index 04698e7995a5..05c99185ba65 100644 --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c @@ -1441,6 +1441,9 @@ 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);
Add check for the return value of alloc_workqueue since it may return NULL pointer. Fixes: e35f56bb0330 ("PCI: endpoint: Support NTB transfer between RC and EP") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> --- drivers/pci/endpoint/functions/pci-epf-vntb.c | 3 +++ 1 file changed, 3 insertions(+)