contrib/vhost-user-blk: 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 <[email protected]> Signed-off-by: Stefan Hajnoczi <[email protected]> Message-Id: <[email protected]> Reviewed-by: Michael S. Tsirkin <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
laggarcia · Dec 9, 2020 · acb1f3c · acb1f3c
1 parent c4698e3
commit acb1f3c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -403,7 +403,9 @@ vub_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len)
     VugDev *gdev;
     VubDev *vdev_blk;
 
-    g_return_val_if_fail(len <= sizeof(struct virtio_blk_config), -1);
+    if (len > sizeof(struct virtio_blk_config)) {
+        return -1;
+    }
 
     gdev = container_of(vu_dev, VugDev, parent);
     vdev_blk = container_of(gdev, VubDev, parent);