[PATCH] PCI: mediatek: Fix unchecked return value

[Gustavo A. R. Silva]

Check return value of devm_pci_remap_iospace.

Notice that, currently, all instances of devm_pci_remap_iospace
are being checked.

Addresses-Coverity-ID: 1471965 ("Unchecked return value")
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/pci/controller/pcie-mediatek.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-mediatek.c 
b/drivers/pci/controller/pcie-mediatek.c
index 861dda6..1477939 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;
 }
-- 
2.7.4