diff mbox series

[PULL,5/7] memfd: always check for MFD_CLOEXEC

Message ID 20190312005930.9043-6-ehabkost@redhat.com
State New
Headers show
Series [PULL,1/7] hostmem-file: reject invalid pmem file sizes | expand

Commit Message

Eduardo Habkost March 12, 2019, 12:59 a.m. UTC 
From: Ilya Maximets <i.maximets@samsung.com>

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 | 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);