On Thursday, December 19, 2013 09:40:09 AM Peter Hutterer wrote: > > + memset(&abs, 0, sizeof(abs)); > > + for (i = valid_cnt; i < cnt; ++i) > > + if (copy_to_user(&pinfo->info[i], &abs, sizeof(abs))) > > + return -EFAULT; > > + > > + return 0; > > why don't you return the number of valid copied axes to the user? > that seems better even than forcing the remainder to 0. Well, if your program messed up buffers that it faulted we do not know for sure if data that did not cause fault ended up where it should have or if it smashed something else. This condition I think should be signaled early. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
