Anonymous transport classes might call transport_add_class_devices
with NULL classdev.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/base/transport_class.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/base/transport_class.c b/drivers/base/transport_class.c
index 72cf462..61a611c 100644
--- a/drivers/base/transport_class.c
+++ b/drivers/base/transport_class.c
@@ -150,10 +150,16 @@ static int transport_add_class_device(struct attribute_container *cont,
struct device *dev,
struct device *classdev)
{
- int error = attribute_container_add_class_device(classdev);
+ int error;
struct transport_container *tcont =
attribute_container_to_transport_container(cont);
+ /* NULL if called from anonymous transport classes */
+ if (!classdev)
+ return 0;
+
+ error = attribute_container_add_class_device(classdev);
+
if (!error && tcont->statistics)
error = sysfs_create_group(&classdev->kobj, tcont->statistics);
--
1.5.2.4
--
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