From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> [ Upstream commit 17a0a1e5f6c4bd6df17834312ff577c1373d87b8 ] Check return value of devm_pci_remap_iospace(). Addresses-Coverity-ID: 1471965 ("Unchecked return value") Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> Acked-by: Honghui Zhang <honghui.zhang@xxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 c5ff6ca65eab2..0d100f56cb884 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -1120,7 +1120,9 @@ 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; } -- 2.20.1