From: Phong Tran <tranmanphong@gmail.com> To: tranmanphong@gmail.com Cc: acme@kernel.org, alexander.shishkin@linux.intel.com, alexander.sverdlin@gmail.com, allison@lohutok.net, andrew@lunn.ch, ast@kernel.org, bgolaszewski@baylibre.com, bpf@vger.kernel.org, daniel@iogearbox.net, daniel@zonque.org, dmg@turingmachine.org, festevam@gmail.com, gerg@uclinux.org, gregkh@linuxfoundation.org, gregory.clement@bootlin.com, haojian.zhuang@gmail.com, hsweeten@visionengravers.com, illusionist.neo@gmail.com, info@metux.net, jason@lakedaemon.net, jolsa@redhat.com, kafai@fb.com, kernel@pengutronix.de, kgene@kernel.org, krzk@kernel.org, kstewart@linuxfoundation.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux@armlinux.org.uk, liviu.dudau@arm.com, lkundrak@v3.sk, lorenzo.pieralisi@arm.com, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, nsekhar@ti.com, peterz@infradead.org, robert.jarzmik@free.fr, s.hauer@pengutronix.de, sebastian.hesselbarth@gmail.com, shawnguo@kernel.org, songliubraving@fb.com, sudeep.holla@arm.com, swinslow@gmail.com, tglx@linutronix.de, tony@atomide.com, will@kernel.org, yhs@fb.com Subject: [PATCH V3 14/15] ARM: bpf: cleanup cppcheck shifting error Date: Tue, 25 Jun 2019 11:03:55 +0700 [thread overview] Message-ID: <20190625040356.27473-15-tranmanphong@gmail.com> (raw) In-Reply-To: <20190625040356.27473-1-tranmanphong@gmail.com> 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@gmail.com> --- arch/arm/net/bpf_jit_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index adff54c312bf..8904d16a8754 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -612,7 +612,7 @@ static inline void emit_a32_mov_se_i64(const bool is64, const s8 dst[], const u32 val, struct jit_ctx *ctx) { u64 val64 = val; - if (is64 && (val & (1<<31))) + if (is64 && (val & BIT(31))) val64 |= 0xffffffff00000000ULL; emit_a32_mov_i64(dst, val64, ctx); } -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Phong Tran <tranmanphong@gmail.com> To: tranmanphong@gmail.com Cc: acme@kernel.org, alexander.shishkin@linux.intel.com, alexander.sverdlin@gmail.com, allison@lohutok.net, andrew@lunn.ch, ast@kernel.org, bgolaszewski@baylibre.com, bpf@vger.kernel.org, daniel@iogearbox.net, daniel@zonque.org, dmg@turingmachine.org, festevam@gmail.com, gerg@uclinux.org, gregkh@linuxfoundation.org, gregory.clement@bootlin.com, haojian.zhuang@gmail.com, hsweeten@visionengravers.com, illusionist.neo@gmail.com, info@metux.net, jason@lakedaemon.net, jolsa@redhat.com, kafai@fb.com, kernel@pengutronix.de, kgene@kernel.org, krzk@kernel.org, kstewart@linuxfoundation.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux@armlinux.org.uk, liviu.dudau@arm.com, lkundrak@v3.sk Subject: [PATCH V3 14/15] ARM: bpf: cleanup cppcheck shifting error Date: Tue, 25 Jun 2019 11:03:55 +0700 [thread overview] Message-ID: <20190625040356.27473-15-tranmanphong@gmail.com> (raw) In-Reply-To: <20190625040356.27473-1-tranmanphong@gmail.com> 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@gmail.com> --- arch/arm/net/bpf_jit_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index adff54c312bf..8904d16a8754 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -612,7 +612,7 @@ static inline void emit_a32_mov_se_i64(const bool is64, const s8 dst[], const u32 val, struct jit_ctx *ctx) { u64 val64 = val; - if (is64 && (val & (1<<31))) + if (is64 && (val & BIT(31))) val64 |= 0xffffffff00000000ULL; emit_a32_mov_i64(dst, val64, ctx); } -- 2.11.0
next prev parent reply other threads:[~2019-06-25 4:06 UTC|newest] Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-23 15:12 [PATCH 00/15] cleanup cppcheck signed shifting errors Phong Tran 2019-06-23 15:12 ` Phong Tran 2019-06-23 15:12 ` [PATCH 01/15] arm: perf: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:12 ` Phong Tran 2019-06-24 7:11 ` Peter Zijlstra 2019-06-24 7:11 ` Peter Zijlstra 2019-06-23 15:13 ` [PATCH 02/15] ARM: davinci: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 03/15] ARM: ep93xx: " Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:23 ` Alexander Sverdlin 2019-06-23 15:23 ` Alexander Sverdlin 2019-06-23 15:13 ` [PATCH 04/15] ARM: exynos: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 19:12 ` Krzysztof Kozlowski 2019-06-23 19:12 ` Krzysztof Kozlowski 2019-06-23 15:13 ` [PATCH 05/15] ARM: footbridge: " Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 06/15] ARM: imx: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-24 3:16 ` Shawn Guo 2019-06-24 3:16 ` Shawn Guo 2019-06-23 15:13 ` [PATCH 07/15] ARM: ks8695: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 08/15] ARM: mmp: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-24 7:35 ` Lubomir Rintel 2019-06-24 7:35 ` Lubomir Rintel 2019-06-23 15:13 ` [PATCH 09/15] ARM: omap2: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 10/15] ARM: orion5x: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:23 ` Andrew Lunn 2019-06-23 15:23 ` Andrew Lunn 2019-06-24 7:31 ` Gregory CLEMENT 2019-06-24 7:31 ` Gregory CLEMENT 2019-06-23 15:13 ` [PATCH 11/15] ARM: pxa: " Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 12/15] ARM: vexpress: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 13/15] ARM: mm: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 14/15] ARM: bpf: cleanup cppcheck shifting error Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-23 15:13 ` [PATCH 15/15] ARM: vfp: cleanup cppcheck shifting errors Phong Tran 2019-06-23 15:13 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 00/15] cleanup cppcheck signed " Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 01/15] arm: perf: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 02/15] ARM: davinci: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 03/15] ARM: ep93xx: " Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 19:16 ` Alexander Sverdlin 2019-06-24 19:16 ` Alexander Sverdlin 2019-06-24 13:50 ` [PATCH V2 04/15] ARM: exynos: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:58 ` Russell King - ARM Linux admin 2019-06-24 13:58 ` Russell King - ARM Linux admin 2019-06-24 13:50 ` [PATCH V2 05/15] ARM: footbridge: " Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 06/15] ARM: imx: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 07/15] ARM: ks8695: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:50 ` [PATCH V2 08/15] ARM: mmp: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:59 ` Russell King - ARM Linux admin 2019-06-24 13:59 ` Russell King - ARM Linux admin 2019-06-24 13:50 ` [PATCH V2 09/15] ARM: omap2: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:50 ` Phong Tran 2019-06-24 13:51 ` [PATCH V2 10/15] ARM: orion5x: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 13:54 ` Andrew Lunn 2019-06-24 13:54 ` Andrew Lunn 2019-06-24 13:51 ` [PATCH V2 11/15] ARM: pxa: " Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 13:51 ` [PATCH V2 12/15] ARM: vexpress: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 13:57 ` Russell King - ARM Linux admin 2019-06-24 13:57 ` Russell King - ARM Linux admin 2019-06-24 13:51 ` [PATCH V2 13/15] ARM: mm: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 13:51 ` [PATCH V2 14/15] ARM: bpf: cleanup cppcheck shifting error Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 14:00 ` Russell King - ARM Linux admin 2019-06-24 14:00 ` Russell King - ARM Linux admin 2019-06-24 13:51 ` [PATCH V2 15/15] ARM: vfp: cleanup cppcheck shifting errors Phong Tran 2019-06-24 13:51 ` Phong Tran 2019-06-24 14:02 ` [PATCH V2 00/15] cleanup cppcheck signed " Russell King - ARM Linux admin 2019-06-24 14:02 ` Russell King - ARM Linux admin 2019-06-24 15:27 ` Peter Zijlstra 2019-06-24 15:27 ` Peter Zijlstra 2019-06-24 15:28 ` Peter Zijlstra 2019-06-24 15:28 ` Peter Zijlstra 2019-06-25 4:03 ` [PATCH V3 " Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 01/15] arm: perf: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 17:21 ` Will Deacon 2019-06-25 17:21 ` Will Deacon 2019-06-25 4:03 ` [PATCH V3 02/15] ARM: davinci: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 03/15] ARM: ep93xx: " Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 04/15] ARM: exynos: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 18:49 ` Krzysztof Kozlowski 2019-06-25 18:49 ` Krzysztof Kozlowski 2019-06-25 4:03 ` [PATCH V3 05/15] ARM: footbridge: " Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 06/15] ARM: imx: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 07/15] ARM: ks8695: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 08/15] ARM: mmp: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 09/15] ARM: omap2: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 10/15] ARM: orion5x: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 11/15] ARM: pxa: " Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` [PATCH V3 12/15] ARM: vexpress: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 17:24 ` Sudeep Holla 2019-06-25 17:24 ` Sudeep Holla 2019-06-25 4:03 ` [PATCH V3 13/15] ARM: mm: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran 2019-06-25 4:03 ` Phong Tran [this message] 2019-06-25 4:03 ` [PATCH V3 14/15] ARM: bpf: cleanup cppcheck shifting error Phong Tran 2019-06-25 4:03 ` [PATCH V3 15/15] ARM: vfp: cleanup cppcheck shifting errors Phong Tran 2019-06-25 4:03 ` Phong Tran
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