1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index d1dc1a198e3e..91d709efef7a 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1523,7 +1523,14 @@ static int usbvision_probe(struct usb_interface *intf,
         }
 
         for (i = 0; i < usbvision->num_alt; i++) {
-                u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
+                u16 tmp;
+
+                if (uif->altsetting[i].desc.bNumEndpoints < 2) {
+                        ret = -ENODEV;
+                        goto err_pkt;
+                }
+
+                tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
                                       wMaxPacketSize);
                 usbvision->alt_max_pkt_size[i] =
                         (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);