[PATCH v6 14/20] dm: pci: Update error handling in pci_sriov_init

[Michal Suchanek]

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 at 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);
 
-- 
2.37.3