disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/usb/uvc/uvc_entity.c
..
..
@@ -37,7 +37,7 @@
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 			continue;
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 		remote = uvc_entity_by_id(chain->dev, entity->baSourceID[i]);
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-		if (remote == NULL)
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+		if (remote == NULL || remote->num_pads == 0)
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 			return -EINVAL;
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 		source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING)