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[v2,2/4] memfd: always check for MFD_CLOEXEC

Message ID 20181127135030.1671-3-i.maximets@samsung.com
State New
Headers show
Series memfd fixes. | expand

Commit Message

Ilya Maximets Nov. 27, 2018, 1:50 p.m. UTC 
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>
---
 util/memfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/util/memfd.c b/util/memfd.c
index 8debd0d037..d74ce4d793 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);