PCI: qcom: Fix missing error code in qcom_pcie_probe()

Return a negative error code if dev_pm_opp_find_freq_floor() fails;
don't return success.

Fixes: 78b5f6f ("PCI: qcom: Add OPP support to scale performance")
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Tested-by: Anders Roxell <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>

Author: Dan Carpenter

drivers/pci/controller/dwc/pcie-qcom.c

@@ -1578,7 +1578,8 @@ static int qcom_pcie_probe(struct platform_device *pdev)
 	if (!ret) {
 		opp = dev_pm_opp_find_freq_floor(dev, &max_freq);
 		if (IS_ERR(opp)) {
-			dev_err_probe(pci->dev, PTR_ERR(opp),
+			ret = PTR_ERR(opp);
+			dev_err_probe(pci->dev, ret,
 				      "Unable to find max freq OPP\n");
 			goto err_pm_runtime_put;
 		} else {