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Tsirkin" , Jason Wang Cc: imammedo@redhat.com, Ani Sinha , qemu-devel@nongnu.org Subject: [PATCH] vhost_net: add an assertion for TAP client backends Date: Mon, 19 Jun 2023 09:45:01 +0530 Message-Id: <20230619041501.111655-1-anisinha@redhat.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 Received-SPF: pass client-ip=170.10.133.124; envelope-from=anisinha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 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_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org An assertion was missing for tap vhost backends that enforces a non-null reference from get_vhost_net(). Both vhost-net-user and vhost-net-vdpa enforces this. Enforce the same for tap. Unit tests pass with this change. Signed-off-by: Ani Sinha Reviewed-by: Laurent Vivier --- hw/net/vhost_net.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index c4eecc6f36..6db23ca323 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -507,6 +507,7 @@ VHostNetState *get_vhost_net(NetClientState *nc) switch (nc->info->type) { case NET_CLIENT_DRIVER_TAP: vhost_net = tap_get_vhost_net(nc); + assert(vhost_net); break; #ifdef CONFIG_VHOST_NET_USER case NET_CLIENT_DRIVER_VHOST_USER: