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bh=ZxzCRyv0CcL1EwsY/PU88e+Vu4wijfnzZQqmGfRcvmQ=; b=DW/RhgUpIWaUXk1wyEEUi/2DS3dTITAEU4Qy4F2p0vCz4vXyGfHhUigMcbTxJnkCLs RCZavpG7a1oNL6oSs6zEgMld0vP3kSC2wMi4h227OLlWHMoUzmGnejkEyrnV7TBVAY2R KTx7JcwwHpl5GMcJoEkBOCSjtQkSwsK2ayxURYpBtIfRAErxUHsp8SLk00L94hweMMr0 2ypJaDmUIOHANQS+zfo4bQQSPZHFxYofI9HG0T5vrUpEKuT2SGW/un0a2cmrhKbFS4PF csGHZLPwTXS7VXn6qEjtvtIG6r/bcB72MdMPEpcS+qfuBhlYGv6epN5Sl2IULczNTS48 IPiw== X-Gm-Message-State: APjAAAVuRPfu77A2HPbDqvLXGykb+yRw3HbGKfeYfDcHqMUuwwsb+LPV JlvI+LqY14cIzIge/WEBEO4= X-Google-Smtp-Source: APXvYqwo4amEEfrtcLpVpipuvjZjsG52wTMkzw5+Un4n/rYYWv3AaPkXLqYWhMVMyCD0gqJ8amTsiw== X-Received: by 2002:a17:90a:9b88:: with SMTP id g8mr19522545pjp.100.1561302990450; Sun, 23 Jun 2019 08:16:30 -0700 (PDT) Received: from debian.net.fpt ([1.55.47.94]) by smtp.gmail.com with ESMTPSA id p6sm8329194pgs.77.2019.06.23.08.16.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 23 Jun 2019 08:16:29 -0700 (PDT) From: Phong Tran To: mark.rutland@arm.com, kstewart@linuxfoundation.org, songliubraving@fb.com, andrew@lunn.ch, peterz@infradead.org, nsekhar@ti.com, ast@kernel.org, jolsa@redhat.com, netdev@vger.kernel.org, gerg@uclinux.org, lorenzo.pieralisi@arm.com, will@kernel.org, linux-samsung-soc@vger.kernel.org, daniel@iogearbox.net, tranmanphong@gmail.com, festevam@gmail.com, gregory.clement@bootlin.com, allison@lohutok.net, linux@armlinux.org.uk, krzk@kernel.org, haojian.zhuang@gmail.com, bgolaszewski@baylibre.com, tony@atomide.com, mingo@redhat.com, linux-imx@nxp.com, yhs@fb.com, sebastian.hesselbarth@gmail.com, illusionist.neo@gmail.com, jason@lakedaemon.net, liviu.dudau@arm.com, s.hauer@pengutronix.de, acme@kernel.org, lkundrak@v3.sk, robert.jarzmik@free.fr, dmg@turingmachine.org, swinslow@gmail.com, namhyung@kernel.org, tglx@linutronix.de, linux-omap@vger.kernel.org, alexander.sverdlin@gmail.com, linux-arm-kernel@lists.infradead.org, info@metux.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, alexander.shishkin@linux.intel.com, hsweeten@visionengravers.com, kgene@kernel.org, kernel@pengutronix.de, sudeep.holla@arm.com, bpf@vger.kernel.org, shawnguo@kernel.org, kafai@fb.com, daniel@zonque.org Subject: [PATCH 14/15] ARM: bpf: cleanup cppcheck shifting error Date: Sun, 23 Jun 2019 22:13:12 +0700 Message-Id: <20190623151313.970-15-tranmanphong@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190623151313.970-1-tranmanphong@gmail.com> References: <20190623151313.970-1-tranmanphong@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [arch/arm/net/bpf_jit_32.c:618]: (error) Shifting signed 32-bit value by 31 bits is undefined behaviour 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..9c3f8fb871e5 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 & (1U<<31))) val64 |= 0xffffffff00000000ULL; emit_a32_mov_i64(dst, val64, ctx); } -- 2.11.0