linux-kernel - [PATCH] PCI: Add cast when assigning PCI_ROM_ADDRESS

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Message-Id: <20170410222457.113155-1-mka@chromium.org>
Date:   Mon, 10 Apr 2017 15:24:57 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Grant Grundler <grundler@...omium.org>,
        Greg Hackmann <ghackmann@...gle.com>,
        Michael Davidson <md@...gle.com>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH] PCI: Add cast when assigning PCI_ROM_ADDRESS_MASK to a 32-bit variable

This fixes a clang warning about "implicit conversion from 'unsigned
long' to 'u32'"

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
 drivers/pci/probe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index dfc9a2794141..148e80d5caf1 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -180,7 +180,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 	u16 orig_cmd;
 	struct pci_bus_region region, inverted_region;
 
-	mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
+	mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0;
 
 	/* No printks while decoding is disabled! */
 	if (!dev->mmio_always_on) {
-- 
2.12.2.715.g7642488e1d-goog