From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phong Tran Subject: [PATCH V3 14/15] ARM: bpf: cleanup cppcheck shifting error Date: Tue, 25 Jun 2019 11:03:55 +0700 Message-ID: <20190625040356.27473-15-tranmanphong@gmail.com> References: <20190624135105.15579-1-tranmanphong@gmail.com> <20190625040356.27473-1-tranmanphong@gmail.com> Return-path: In-Reply-To: <20190625040356.27473-1-tranmanphong@gmail.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-omap@vger.kernel.org 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 --- 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