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>
This commit is contained in:
Ilya Maximets 2019-03-11 16:58:48 +03:00 committed by Eduardo Habkost
parent 4a66c7a999
commit 92db922f66

View File

@ -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);