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Tsirkin" Subject: [PATCH] vdpa: fix gcc cvq_isolated uninitialized variable warning Date: Mon, 11 Sep 2023 17:54:35 -0400 Message-ID: <20230911215435.4156314-1-stefanha@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 10.11.54.4 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=170.10.133.124; envelope-from=stefanha@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_H3=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: 1694469385710100001 gcc 13.2.1 emits the following warning: net/vhost-vdpa.c: In function =E2=80=98net_vhost_vdpa_init.constprop=E2= =80=99: net/vhost-vdpa.c:1394:25: error: =E2=80=98cvq_isolated=E2=80=99 may be us= ed uninitialized [-Werror=3Dmaybe-uninitialized] 1394 | s->cvq_isolated =3D cvq_isolated; | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ net/vhost-vdpa.c:1355:9: note: =E2=80=98cvq_isolated=E2=80=99 was declare= d here 1355 | int cvq_isolated; | ^~~~~~~~~~~~ cc1: all warnings being treated as errors Cc: Eugenio P=C3=A9rez Cc: Michael S. Tsirkin Cc: Jason Wang Signed-off-by: Stefan Hajnoczi Acked-by: Eugenio P=C3=A9rez Acked-by: Jason Wang Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- net/vhost-vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 34202ca009..7eaee841aa 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -1352,7 +1352,7 @@ static NetClientState *net_vhost_vdpa_init(NetClientS= tate *peer, VhostVDPAState *s; int ret =3D 0; assert(name); - int cvq_isolated; + int cvq_isolated =3D 0; =20 if (is_datapath) { nc =3D qemu_new_net_client(&net_vhost_vdpa_info, peer, device, --=20 2.41.0