For increased portability, let's use os.path.devnull.

Signed-off-by: Amador Pahim <apahim@redhat.com>
---
 scripts/qemu.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/qemu.py b/scripts/qemu.py
index 9434ccc30b..d313c6d4db 100644
--- a/scripts/qemu.py
+++ b/scripts/qemu.py
@@ -80,7 +80,7 @@ class QEMUMachine(object):
         fd_param = ["%s" % self._socket_scm_helper,
                     "%d" % self._qmp.get_sock_fd(),
                     "%s" % fd_file_path]
-        devnull = open('/dev/null', 'rb')
+        devnull = open(os.path.devnull, 'rb')
         p = subprocess.Popen(fd_param, stdin=devnull, stdout=sys.stdout,
                              stderr=sys.stderr)
         return p.wait()
@@ -137,7 +137,7 @@ class QEMUMachine(object):
 
     def launch(self):
         '''Launch the VM and establish a QMP connection'''
-        devnull = open('/dev/null', 'rb')
+        devnull = open(os.path.devnull, 'rb')
         qemulog = open(self._qemu_log_path, 'wb')
         try:
             self._pre_launch()
-- 
2.13.3

On Mon, Jul 31, 2017 at 10:51:08AM +0200, Amador Pahim wrote:
> For increased portability, let's use os.path.devnull.
> 
> Signed-off-by: Amador Pahim <apahim@redhat.com>
> ---
>  scripts/qemu.py | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

On 07/31/2017 05:51 AM, Amador Pahim wrote:
> For increased portability, let's use os.path.devnull.
> 
> Signed-off-by: Amador Pahim <apahim@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
>   scripts/qemu.py | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/qemu.py b/scripts/qemu.py
> index 9434ccc30b..d313c6d4db 100644
> --- a/scripts/qemu.py
> +++ b/scripts/qemu.py
> @@ -80,7 +80,7 @@ class QEMUMachine(object):
>           fd_param = ["%s" % self._socket_scm_helper,
>                       "%d" % self._qmp.get_sock_fd(),
>                       "%s" % fd_file_path]
> -        devnull = open('/dev/null', 'rb')
> +        devnull = open(os.path.devnull, 'rb')
>           p = subprocess.Popen(fd_param, stdin=devnull, stdout=sys.stdout,
>                                stderr=sys.stderr)
>           return p.wait()
> @@ -137,7 +137,7 @@ class QEMUMachine(object):
>   
>       def launch(self):
>           '''Launch the VM and establish a QMP connection'''
> -        devnull = open('/dev/null', 'rb')
> +        devnull = open(os.path.devnull, 'rb')
>           qemulog = open(self._qemu_log_path, 'wb')
>           try:
>               self._pre_launch()
>