netdev - [PATCH V3 10/15] ARM: orion5x: cleanup cppcheck shifting errors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190625040356.27473-11-tranmanphong@gmail.com>
Date:   Tue, 25 Jun 2019 11:03:51 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     tranmanphong@...il.com
Cc:     acme@...nel.org, alexander.shishkin@...ux.intel.com,
        alexander.sverdlin@...il.com, allison@...utok.net, andrew@...n.ch,
        ast@...nel.org, bgolaszewski@...libre.com, bpf@...r.kernel.org,
        daniel@...earbox.net, daniel@...que.org, dmg@...ingmachine.org,
        festevam@...il.com, gerg@...inux.org, gregkh@...uxfoundation.org,
        gregory.clement@...tlin.com, haojian.zhuang@...il.com,
        hsweeten@...ionengravers.com, illusionist.neo@...il.com,
        info@...ux.net, jason@...edaemon.net, jolsa@...hat.com,
        kafai@...com, kernel@...gutronix.de, kgene@...nel.org,
        krzk@...nel.org, kstewart@...uxfoundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-imx@....com,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux@...linux.org.uk,
        liviu.dudau@....com, lkundrak@...sk, lorenzo.pieralisi@....com,
        mark.rutland@....com, mingo@...hat.com, namhyung@...nel.org,
        netdev@...r.kernel.org, nsekhar@...com, peterz@...radead.org,
        robert.jarzmik@...e.fr, s.hauer@...gutronix.de,
        sebastian.hesselbarth@...il.com, shawnguo@...nel.org,
        songliubraving@...com, sudeep.holla@....com, swinslow@...il.com,
        tglx@...utronix.de, tony@...mide.com, will@...nel.org, yhs@...com
Subject: [PATCH V3 10/15] ARM: orion5x: cleanup cppcheck shifting errors

There is error from cppcheck tool
"Shifting signed 32-bit value by 31 bits is undefined behaviour errors"
change to use BIT() marco for improvement.

Signed-off-by: Phong Tran <tranmanphong@...il.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
 arch/arm/mach-orion5x/pci.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index 76951bfbacf5..f47668530d5e 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -200,13 +200,13 @@ static int __init pcie_setup(struct pci_sys_data *sys)
 /*
  * PCI_MODE bits
  */
-#define PCI_MODE_64BIT			(1 << 2)
-#define PCI_MODE_PCIX			((1 << 4) | (1 << 5))
+#define PCI_MODE_64BIT			BIT(2)
+#define PCI_MODE_PCIX			(BIT(4) | BIT(5))
 
 /*
  * PCI_CMD bits
  */
-#define PCI_CMD_HOST_REORDER		(1 << 29)
+#define PCI_CMD_HOST_REORDER		BIT(29)
 
 /*
  * PCI_P2P_CONF bits
@@ -223,7 +223,7 @@ static int __init pcie_setup(struct pci_sys_data *sys)
 #define PCI_CONF_FUNC(func)		(((func) & 0x3) << 8)
 #define PCI_CONF_DEV(dev)		(((dev) & 0x1f) << 11)
 #define PCI_CONF_BUS(bus)		(((bus) & 0xff) << 16)
-#define PCI_CONF_ADDR_EN		(1 << 31)
+#define PCI_CONF_ADDR_EN		BIT(31)
 
 /*
  * Internal configuration space
-- 
2.11.0