On Thu, 27 Jun 2013 22:30:41 -0700 Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > On 06/27/13 16:37, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > The mm-of-the-moment snapshot 2013-06-27-16-36 has been uploaded to > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > mmotm-readme.txt says > > > > README for mm-of-the-moment: > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > My builds are littered with hundreds of warnings like this one: > > drivers/tty/tty_ioctl.c:220:6: warning: the omitted middle operand in ?: will always be 'true', suggest explicit middle operand [-Wparentheses] > > I guess due to this line from wait_event_common(): > > + __ret = __wait_no_timeout(tout) ?: (tout) ?: 1; > Ah, sorry, I missed that. Had I noticed it, I would have spat it back on taste grounds alone, it being unfit for human consumption. Something like this? --- a/include/linux/wait.h~wait-introduce-wait_event_commonwq-condition-state-timeout-fix +++ a/include/linux/wait.h @@ -196,7 +196,11 @@ wait_queue_head_t *bit_waitqueue(void *, for (;;) { \ prepare_to_wait(&wq, &__wait, state); \ if (condition) { \ - __ret = __wait_no_timeout(tout) ?: __tout ?: 1; \ + __ret = __wait_no_timeout(tout); \ + if (!__ret) \ + __ret = __tout; \ + if (!__ret) \ + __ret = 1; \ break; \ } \ \ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>