[PULL 5/8] scripts/qmp/qom-fuse: Fix getattr(), read() for files in /

[Markus Armbruster <armbru@redhat.com>]

path, prop = "type".rsplit('/', 1) sets path to "", which doesn't
work.  Correct to "/".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200723142738.1868568-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
---
 scripts/qmp/qom-fuse | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scripts/qmp/qom-fuse b/scripts/qmp/qom-fuse
index 405e6ebd67..7c7cff8edf 100755
--- a/scripts/qmp/qom-fuse
+++ b/scripts/qmp/qom-fuse
@@ -45,8 +45,10 @@ class QOMFS(Operations):
             return False
 
     def is_property(self, path):
+        path, prop = path.rsplit('/', 1)
+        if path == '':
+            path = '/'
         try:
-            path, prop = path.rsplit('/', 1)
             for item in self.qmp.command('qom-list', path=path):
                 if item['name'] == prop:
                     return True
@@ -55,8 +57,10 @@ class QOMFS(Operations):
             return False
 
     def is_link(self, path):
+        path, prop = path.rsplit('/', 1)
+        if path == '':
+            path = '/'
         try:
-            path, prop = path.rsplit('/', 1)
             for item in self.qmp.command('qom-list', path=path):
                 if item['name'] == prop:
                     if item['type'].startswith('link<'):
@@ -71,6 +75,8 @@ class QOMFS(Operations):
             return -ENOENT
 
         path, prop = path.rsplit('/', 1)
+        if path == '':
+            path = '/'
         try:
             data = self.qmp.command('qom-get', path=path, property=prop)
             data += '\n' # make values shell friendly
-- 
2.26.2