diff mbox series

[01/12] software node: Prevent potential NULL Pointer Dereference

Message ID 20190315165800.5058-2-heikki.krogerus@linux.intel.com (mailing list archive)
State Deferred, archived
Delegated to: Andy Shevchenko
Headers show
Series platform/x86: intel_cht_int33fe: Real DisplayPort reference | expand

Commit Message

Heikki Krogerus March 15, 2019, 4:57 p.m. UTC
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>
---
 drivers/base/swnode.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 1fad9291f6aa..3a50a8edd3d3 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++;