commit 92db922f66cde45bb216c36eb43b762429c96a74
author Ilya Maximets <i.maximets@samsung.com> Mon Mar 11 16:58:48 2019 +0300
committer Eduardo Habkost <ehabkost@redhat.com> Mon Mar 11 17:17:00 2019 -0300
tree 59ca0aec4f97cd4da901f44e3c22020afd8a6007
parent 4a66c7a9996bb1bb1191170b172daa54e226d7ff

memfd: always check for MFD_CLOEXEC

QEMU always sets this flag unconditionally. We need to
check if it's supported.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190311135850.6537-3-i.maximets@samsung.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

util/memfd.c

diff --git a/util/memfd.c b/util/memfd.c
index 8debd0d..d74ce4d 100644
--- a/util/memfd.c
+++ b/util/memfd.c
@@ -188,7 +188,7 @@
 bool qemu_memfd_check(unsigned int flags)
 {
 #ifdef CONFIG_LINUX
-    int mfd = memfd_create("test", flags);
+    int mfd = memfd_create("test", flags | MFD_CLOEXEC);
 
     if (mfd >= 0) {
         close(mfd);