contrib/vhost-user-input: avoid g_return_val_if() input validation

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 <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201118091644.199527-4-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2020-11-18 09:16:43 +00:00 committed by Michael S. Tsirkin
parent fa77464ffe
commit a606169aca
1 changed files with 3 additions and 1 deletions

View File

@ -211,7 +211,9 @@ 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);