PCI: mediatek: Fix unchecked return value

Message ID 20180720150158.GA10922@embeddedor.com
State New
Delegated to: Lorenzo Pieralisi
Headers show
Series
  • PCI: mediatek: Fix unchecked return value
Related show

Commit Message

Gustavo A. R. Silva July 20, 2018, 3:01 p.m.
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 <gustavo@embeddedor.com>
---
 drivers/pci/controller/pcie-mediatek.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch

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;
 }