From: Ilya Maximets <i.maximets@samsung.com>
Date: Mon, 11 Mar 2019 13:58:49 +0000 (+0300)
Subject: memfd: set up correct errno if not supported
X-Git-Tag: v4.0.0-rc0~31^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=df20819328d6fa3cb9d4a259a58cebbee35cdd09;p=users%2Fdwmw2%2Fqemu.git

memfd: set up correct errno if not supported

qemu_memfd_create() prints the value of 'errno' which is not
set in this case.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190311135850.6537-4-i.maximets@samsung.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---

diff --git a/util/memfd.c b/util/memfd.c
index d74ce4d793..393d23da96 100644
--- a/util/memfd.c
+++ b/util/memfd.c
@@ -40,6 +40,7 @@ static int memfd_create(const char *name, unsigned int flags)
 #ifdef __NR_memfd_create
     return syscall(__NR_memfd_create, name, flags);
 #else
+    errno = ENOSYS;
     return -1;
 #endif
 }