On Fri, 2018-07-20 at 10:01 -0500, Gustavo A. R. Silva wrote: > 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@xxxxxxxxxxxxxx> > --- > drivers/pci/controller/pcie-mediatek.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > Hi, Gustavo, thanks for your help. Acked-by: Honghui Zhang <honghui.zhang@xxxxxxxxxxxx> > 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; > }