Do not validate input with g_return_val_if(). This API is intended for checking programming errors and is compiled out with -DG_DISABLE_CHECKS.
Use an explicit if statement for input validation so it cannot accidentally be compiled out. Suggested-by: Markus Armbruster <arm...@redhat.com> Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> --- contrib/vhost-user-input/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/contrib/vhost-user-input/main.c b/contrib/vhost-user-input/main.c index 6020c6f33a..50a8a03d9b 100644 --- a/contrib/vhost-user-input/main.c +++ b/contrib/vhost-user-input/main.c @@ -212,7 +212,9 @@ static int vi_get_config(VuDev *dev, uint8_t *config, uint32_t len) { VuInput *vi = container_of(dev, VuInput, dev.parent); - g_return_val_if_fail(len <= sizeof(*vi->sel_config), -1); + if (len > sizeof(*vi->sel_config)) { + return -1; + } if (vi->sel_config) { memcpy(config, vi->sel_config, len); -- 2.28.0