From patchwork Tue Sep 1 14:09:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 11748379 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0138813B6 for ; Tue, 1 Sep 2020 14:29:45 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D35FC206EF for ; Tue, 1 Sep 2020 14:29:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D35FC206EF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivier.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:45752 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kD7I7-0005g2-V4 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 01 Sep 2020 10:29:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55652) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kD6zb-0006E5-8d; Tue, 01 Sep 2020 10:10:35 -0400 Received: from mout.kundenserver.de ([212.227.126.133]:50439) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kD6zY-00040g-Ql; Tue, 01 Sep 2020 10:10:34 -0400 Received: from localhost.localdomain ([82.252.135.186]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1Myb8P-1kW8uZ1oGz-00z1Ps; Tue, 01 Sep 2020 16:10:22 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 37/44] hw/virtio/vhost-user:Remove dead assignment in scrub_shadow_regions() Date: Tue, 1 Sep 2020 16:09:47 +0200 Message-Id: <20200901140954.889743-38-laurent@vivier.eu> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200901140954.889743-1-laurent@vivier.eu> References: <20200901140954.889743-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:fHDxDkU2JPw6dE9t8b8F4PHzV3yVfSYjKGTRPDjQRQXzP3eP3q1 WJqL2BVmt4/vKoOR2m9opkFLV7ABY3bCRoUH/325/cJ01t/vCv8veEEbtda31L4uB5Tu80p vlml08qkt4TTWO3VxU3nfJlE3KIK3krSdQvP5DOECNW/kforhCr82Ydyu94Cah+RIQLDj1y 2evz4eJ+1VWs4aOLmUr6w== X-UI-Out-Filterresults: notjunk:1;V03:K0:4iRK4LVdoss=:fkLmCagZ7QsGJ3gLJPVOQq yd68jVHacc/qgGAi4sIt+yupdyoSpGff3KeLGoemt3KZBOGW+iVtx5OBPKl2CQF6yD44g5mZn M2DMcR6NRrJr07+bg6LneIRRNBqzNA87zKFc4Fwej/vJYf8OQPU55gyEFWioAoSUDFsdRC7i6 Rzy3cJcq3gCUedXgPYgQSGe4TSXfV8i6KT84VbG7G64hTekGbn7vwfR3FbMhZWFXZDAOwHjAG GzE1CeaKaie3KbIu/kJBQS7pTaNhSmJ4fuffgHw5nB8W/HUaFglEi97CrhUqmGiGL4yKNNUO8 UicZz5EWK0WbkqJSYcp1K6UFTdqeb4WQYrxxP3l7xN0ssjSTtqnxtN2BWULT5arU+ed5bBUrg JfJBoYZhHE+U+8I+/s3CK6FOJ2SKq9Ujba3VGoFpBmL+h1OY906W0kIXp3CWscmeMV+P+/AS2 /81aViOfFw6HdZHW0YdwK1VO922gouRQ4Yh0ZLGsUlFJsXtUymC0ko8jLUNa2uyHmN14VmjWu MqD5YZSMPPiLReAO1N2/d5SeB1XPQX3Ub2wKInJarWOYMraFi3lCqabqtqpei40lti31pqzc4 0OSlTVvrPvFOIbtSTNNcsvbwdp0e8T26NqQKr1m6wsJdYfvlyhte0Uso+vE5PoMeHGbqVCDe3 LaCJjofukIxSQrT1D8dp1X41PBtTVmCKyetwVNPZiJhOk2JwD/8tWfgovuB638rOT6Lcb0EoB dLHI+Hp62o+ktIg9t4MuUQ3Fhw9p6EXFiSn4TtAZH9auLjC85i8z2DxciSxuU+I59zx3ics18 7GhBDiTDCzoToimCUiWENMiAfotPzCCZnItZEbEC6kl0F4eT7jTxAE5uoRilnfHNRIVN3ha Received-SPF: none client-ip=212.227.126.133; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/01 10:10:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S . Tsirkin" , qemu-trivial@nongnu.org, Laurent Vivier , Raphael Norwitz , Euler Robot , Chen Qun Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chen Qun Clang static code analyzer show warning: hw/virtio/vhost-user.c:606:9: warning: Value stored to 'mr' is never read mr = vhost_user_get_mr_data(reg->userspace_addr, &offset, &fd); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Message-Id: <20200827110311.164316-6-kuhn.chenqun@huawei.com> Signed-off-by: Laurent Vivier --- hw/virtio/vhost-user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index d7e24237625f..9c5b4f7fbcda 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -603,7 +603,7 @@ static void scrub_shadow_regions(struct vhost_dev *dev, */ for (i = 0; i < dev->mem->nregions; i++) { reg = &dev->mem->regions[i]; - mr = vhost_user_get_mr_data(reg->userspace_addr, &offset, &fd); + vhost_user_get_mr_data(reg->userspace_addr, &offset, &fd); if (fd > 0) { ++fd_num; }