linux-kernel - [PATCH 01/15] arm: perf: cleanup cppcheck shifting error

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: <20190623151313.970-2-tranmanphong@gmail.com>
Date:   Sun, 23 Jun 2019 22:12:59 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     mark.rutland@....com, kstewart@...uxfoundation.org,
        songliubraving@...com, andrew@...n.ch, peterz@...radead.org,
        nsekhar@...com, ast@...nel.org, jolsa@...hat.com,
        netdev@...r.kernel.org, gerg@...inux.org,
        lorenzo.pieralisi@....com, will@...nel.org,
        linux-samsung-soc@...r.kernel.org, daniel@...earbox.net,
        tranmanphong@...il.com, festevam@...il.com,
        gregory.clement@...tlin.com, allison@...utok.net,
        linux@...linux.org.uk, krzk@...nel.org, haojian.zhuang@...il.com,
        bgolaszewski@...libre.com, tony@...mide.com, mingo@...hat.com,
        linux-imx@....com, yhs@...com, sebastian.hesselbarth@...il.com,
        illusionist.neo@...il.com, jason@...edaemon.net,
        liviu.dudau@....com, s.hauer@...gutronix.de, acme@...nel.org,
        lkundrak@...sk, robert.jarzmik@...e.fr, dmg@...ingmachine.org,
        swinslow@...il.com, namhyung@...nel.org, tglx@...utronix.de,
        linux-omap@...r.kernel.org, alexander.sverdlin@...il.com,
        linux-arm-kernel@...ts.infradead.org, info@...ux.net,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        alexander.shishkin@...ux.intel.com, hsweeten@...ionengravers.com,
        kgene@...nel.org, kernel@...gutronix.de, sudeep.holla@....com,
        bpf@...r.kernel.org, shawnguo@...nel.org, kafai@...com,
        daniel@...que.org
Subject: [PATCH 01/15] arm: perf: cleanup cppcheck shifting error

fix "Shifting signed 32-bit value by 31 bits is undefined behaviour
errors"

[arch/arm/kernel/perf_event_v7.c:1080]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour
[arch/arm/kernel/perf_event_v7.c:1436]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour
[arch/arm/kernel/perf_event_v7.c:1783]: (error) Shifting signed 32-bit
value by 31 bits is undefined behaviour

Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 arch/arm/kernel/perf_event_v7.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index a4fb0f8b8f84..83dc472a39b2 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -697,9 +697,9 @@ static struct attribute_group armv7_pmuv2_events_attr_group = {
 /*
  * Event filters for PMUv2
  */
-#define	ARMV7_EXCLUDE_PL1	(1 << 31)
-#define	ARMV7_EXCLUDE_USER	(1 << 30)
-#define	ARMV7_INCLUDE_HYP	(1 << 27)
+#define	ARMV7_EXCLUDE_PL1	(1U << 31)
+#define	ARMV7_EXCLUDE_USER	(1U << 30)
+#define	ARMV7_INCLUDE_HYP	(1U << 27)
 
 /*
  * Secure debug enable reg
-- 
2.11.0