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-rw-r--r--subprojects/libvhost-user/libvhost-user.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c
index bf92cc8..b28b66c 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -1599,12 +1599,13 @@ vu_set_config(VuDev *dev, VhostUserMsg *vmsg)
static bool
vu_set_postcopy_advise(VuDev *dev, VhostUserMsg *vmsg)
{
- dev->postcopy_ufd = -1;
#ifdef UFFDIO_API
struct uffdio_api api_struct;
dev->postcopy_ufd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK);
vmsg->size = 0;
+#else
+ dev->postcopy_ufd = -1;
#endif
if (dev->postcopy_ufd == -1) {