Missed one ... On Fri, Dec 14, 2012 at 10:36 AM, <sumit.semwal@xxxxxx> wrote: > + list_for_each_entry(attach_obj, &buf_obj->attachments, node) { > + seq_printf(s, "\t\t"); > + > + seq_printf(s, "%s\n", attach_obj->dev->init_name); > + attach_count++; > + } You need to hold dmabuf->lock while walking the attachment list. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html