[PATCH 5.5 093/367] PCI: keystone: Fix error handling when "num-viewport" DT property is not populated

[Greg Kroah-Hartman]

From: Kishon Vijay Abraham I <kishon@xxxxxx>

commit b0de922af53eede340986a2d05b6cd4b6d6efa43 upstream.

Fix error handling when "num-viewport" DT property is not populated.

Fixes: 23284ad677a9 ("PCI: keystone: Add support for PCIe EP in AM654x Platforms")
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v5.2+
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/pci/controller/dwc/pci-keystone.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -1354,7 +1354,7 @@ static int __init ks_pcie_probe(struct p
 		ret = of_property_read_u32(np, "num-viewport", &num_viewport);
 		if (ret < 0) {
 			dev_err(dev, "unable to read *num-viewport* property\n");
-			return ret;
+			goto err_get_sync;
 		}
 
 		/*