From: Ilya Maximets <i.maximets@samsung.com>
Date: Mon, 11 Mar 2019 13:58:48 +0000 (+0300)
Subject: memfd: always check for MFD_CLOEXEC
X-Git-Tag: v4.0.0-rc0~31^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=92db922f66cde45bb216c36eb43b762429c96a74;p=thirdparty%2Fqemu.git

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>
---

diff --git a/util/memfd.c b/util/memfd.c
index 8debd0d037e..d74ce4d793d 100644
--- a/util/memfd.c
+++ b/util/memfd.c
@@ -188,7 +188,7 @@ bool qemu_memfd_alloc_check(void)
 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);