From: Gustavo A. R. Silva gustavo@embeddedor.com
[ 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@embeddedor.com Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Acked-by: Honghui Zhang honghui.zhang@mediatek.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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; }