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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Honghui Zhang <honghui.zhang@mediatek.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org
Subject: [PATCH AUTOSEL 4.19 008/191] PCI: mediatek: Fix unchecked return value
Date: Sat,  9 Nov 2019 21:37:10 -0500
Message-ID: <20191110024013.29782-8-sashal@kernel.org> (raw)
In-Reply-To: <20191110024013.29782-1-sashal@kernel.org>

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;
 }
-- 
2.20.1


  parent reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191110024013.29782-1-sashal@kernel.org>
2019-11-10  2:37 ` [PATCH AUTOSEL 4.19 006/191] PCI/ACPI: Correct error message for ASPM disabling Sasha Levin
2019-11-10  2:37 ` Sasha Levin [this message]
2019-11-10  2:38 ` [PATCH AUTOSEL 4.19 061/191] PCI: portdrv: Initialize service drivers directly Sasha Levin
2019-11-10  2:38 ` [PATCH AUTOSEL 4.19 079/191] PCI/AER: Take reference on error devices Sasha Levin
2019-11-10  2:38 ` [PATCH AUTOSEL 4.19 080/191] PCI/AER: Don't read upstream ports below fatal errors Sasha Levin
2019-11-10  2:38 ` [PATCH AUTOSEL 4.19 081/191] PCI/ERR: Use slot reset if available Sasha Levin
2019-11-10  2:39 ` [PATCH AUTOSEL 4.19 145/191] PCI/ERR: Run error recovery callbacks for all affected devices Sasha Levin

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