V4L/DVB (5518): Fix a bug on device detection

Thanks to: Thierry MERLE <thierry.merle@free.fr> for pointing this

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index aa6509391bf9..df030bf84c00 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -1792,6 +1792,10 @@ static int __devinit usbvision_probe(struct usb_interface *intf,
                                 dev->descriptor.idProduct, ifnum);
 
         model = devid->driver_info;
+        if ( (model<0) || (model>=usbvision_device_data_size) ) {
+                printk(KERN_INFO "model out of bounds %d\n",model);
+                return -ENODEV;
+        }
         printk(KERN_INFO "%s: %s found\n", __FUNCTION__,
                                 usbvision_device_data[model].ModelString);