On Fri, Jun 23, 2017 at 03:58:35AM -0700, Joe Perches wrote: > getsockopt says: > > For getsockopt(), optlen is a value-result argument, initially containing the size > of the buffer pointed to by optval, and modified on return to indicate the actual > size of the value returned In the original code, it's not returning the "actual size of the value returned". It's returning a smaller or equal value... The man page is correct that this is how some getsockopts work, of course. But here -EFAULT is expected. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
