PCI: mediatek: Fix unchecked return value

Check return value of devm_pci_remap_iospace().

Addresses-Coverity-ID: 1471965 ("Unchecked return value")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Honghui Zhang <honghui.zhang@mediatek.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 861dda69f366..1477939ef38a 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
         if (err < 0)
                 return err;
 
-        devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+        err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+        if (err)
+                return err;
 
         return 0;
 }