1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 4942122b2346..36858ddd8d9b 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -2362,8 +2362,11 @@ static int usbtmc_probe(struct usb_interface *intf,
                 goto err_put;
         }
 
+        retcode = -EINVAL;
         data->bulk_in = bulk_in->bEndpointAddress;
         data->wMaxPacketSize = usb_endpoint_maxp(bulk_in);
+        if (!data->wMaxPacketSize)
+                goto err_put;
         dev_dbg(&intf->dev, "Found bulk in endpoint at %u\n", data->bulk_in);
 
         data->bulk_out = bulk_out->bEndpointAddress;