1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 3771d6e6d0c..34e6108e1d4 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -652,7 +652,7 @@ next_desc:
 
         iface = &intf->altsetting[0];
         ep = &iface->endpoint[0].desc;
-        if (!usb_endpoint_is_int_in(ep)) {
+        if (!ep || !usb_endpoint_is_int_in(ep)) {
                 rv = -EINVAL;
                 goto err;
         }