From a79969868a308b3cc7abda02e1526d37dacdee27 Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Fri, 31 May 2019 17:15:32 +0300
Subject: software node: Allow node creation without properties

Software nodes are not forced to have device properties.
Adding check to property_entries_dup() to make it possible
to create software nodes that don't have any properties.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/base/swnode.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/base')

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 7fc5a18e02ad..30077454eb68 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -383,6 +383,9 @@ property_entries_dup(const struct property_entry *properties)
 	int i, n = 0;
 	int ret;
 
+	if (!properties)
+		return NULL;
+
 	while (properties[n].name)
 		n++;
 
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