[Qemu-devel] [PATCH v2 3/4] memfd: set up correct errno if not supported

From: Ilya Maximets <i.maximets@samsung.com>
To: "Marc-André Lureau" <marcandre.lureau@redhat.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Ilya Maximets <i.maximets@samsung.com>
Subject: [Qemu-devel] [PATCH v2 3/4] memfd: set up correct errno if not supported
Date: Tue, 27 Nov 2018 16:50:29 +0300	[thread overview]
Message-ID: <20181127135030.1671-4-i.maximets@samsung.com> (raw)
In-Reply-To: <20181127135030.1671-1-i.maximets@samsung.com>

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>
---
 util/memfd.c | 1 +
 1 file changed, 1 insertion(+)

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
 }
-- 
2.17.1
