Commit be32fd9e authored by Marc-André Lureau's avatar Marc-André Lureau Committed by Michael S. Tsirkin
Browse files

vhost-user-input: check ioctl(EVIOCGNAME) return value 



This should fix coverity CID 1401704.

Signed-off-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190605145829.7674-5-marcandre.lureau@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent f55411cf

contrib/vhost-user-input/main.c

+5 −1
Original line number Diff line number Diff line
@@ -342,7 +342,11 @@ main(int argc, char *argv[]) 


    vi.config = g_array_new(false, false, sizeof(virtio_input_config));

    memset(&id, 0, sizeof(id));

    ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1), id.u.string);

    if (ioctl(vi.evdevfd, EVIOCGNAME(sizeof(id.u.string) - 1),

              id.u.string) < 0) {

        g_printerr("Failed to get evdev name: %s\n", g_strerror(errno));

        exit(EXIT_FAILURE);

    }

    id.select = VIRTIO_INPUT_CFG_ID_NAME;

    id.size = strlen(id.u.string);

    g_array_append_val(vi.config, id);