[7/7] Input: wacom - Fail on missing features

Commit Message

Bastian Blank Jan. 7, 2010, 6:30 p.m. UTC

None

Patch

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 41a631b..c44b9f0 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -534,6 +534,9 @@  static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	struct input_dev *input_dev;
 	int error = -ENOMEM;
 
+	if (!features)
+		return -EIO;
+
 	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
 	wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
 	input_dev = input_allocate_device();