Check the returned value from pci_get_bus. After a later patch uclass_first_device_err may return a device on error and then checking that a device is returned will not suffice.
Signed-off-by: Michal Suchanek msuchanek@suse.de --- v6: - split off as separate patch --- drivers/pci/pci-uclass.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 5cff81ac44..6dd19650f9 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1777,10 +1777,9 @@ int pci_sriov_init(struct udevice *pdev, int vf_en)
bdf = dm_pci_get_bdf(pdev);
- pci_get_bus(PCI_BUS(bdf), &bus); - - if (!bus) - return -ENODEV; + ret = pci_get_bus(PCI_BUS(bdf), &bus); + if (ret) + return ret;
bdf += PCI_BDF(0, 0, vf_offset);