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Tsirkin" , qemu-devel@nongnu.org Cc: Markus Armbruster Subject: [PATCH] hw/virtio/virtio-gpu: Fix compiler warning when compiling with -Wshadow Date: Fri, 6 Oct 2023 18:45:08 +0200 Message-ID: <20231006164508.536406-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1696610796297100003 Avoid using trivial variable names in macros, otherwise we get the following compiler warning when compiling with -Wshadow=3Dlocal: In file included from ../../qemu/hw/display/virtio-gpu-virgl.c:19: ../../home/thuth/devel/qemu/hw/display/virtio-gpu-virgl.c: In function =E2=80=98virgl_cmd_submit_3d=E2=80=99: ../../qemu/include/hw/virtio/virtio-gpu.h:228:16: error: declaration of =E2= =80=98s=E2=80=99 shadows a previous local [-Werror=3Dshadow=3Dcompatible-local] 228 | size_t s; | ^ ../../qemu/hw/display/virtio-gpu-virgl.c:215:5: note: in expansion of macro =E2=80=98VIRTIO_GPU_FILL_CMD=E2=80=99 215 | VIRTIO_GPU_FILL_CMD(cs); | ^~~~~~~~~~~~~~~~~~~ ../../qemu/hw/display/virtio-gpu-virgl.c:213:12: note: shadowed declaration is here 213 | size_t s; | ^ cc1: all warnings being treated as errors Signed-off-by: Thomas Huth Reviewed-by: Marc-Andr=C3=A9 Lureau --- include/hw/virtio/virtio-gpu.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 390c4642b8..8b7e3faf01 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -225,13 +225,13 @@ struct VhostUserGPU { }; =20 #define VIRTIO_GPU_FILL_CMD(out) do { \ - size_t s; \ - s =3D iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \ + size_t s_; \ + s_ =3D iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \ &out, sizeof(out)); \ - if (s !=3D sizeof(out)) { \ + if (s_ !=3D sizeof(out)) { \ qemu_log_mask(LOG_GUEST_ERROR, \ "%s: command size incorrect %zu vs %zu\n", \ - __func__, s, sizeof(out)); \ + __func__, s_, sizeof(out)); \ return; \ } \ } while (0) --=20 2.41.0