[PATCH] Fix compilation when UFFDIO_REGISTER is not set.

[Pierre Labatut]

Signed-off-by: Pierre Labatut <plabatut@google.com>
---
 subprojects/libvhost-user/libvhost-user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/subprojects/libvhost-user/libvhost-user.c 
b/subprojects/libvhost-user/libvhost-user.c
index 0469a50101..d4a2eab883 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -629,9 +629,9 @@ static bool
 generate_faults(VuDev *dev) {
     unsigned int i;
     for (i = 0; i < dev->nregions; i++) {
+#ifdef UFFDIO_REGISTER
         VuDevRegion *dev_region = &dev->regions[i];
         int ret;
-#ifdef UFFDIO_REGISTER
         struct uffdio_register reg_struct;
 
         /*
-- 
2.42.0.515.g380fc7ccd1-goog