> Before the patch, I believe tty_reopen() would return -EIO because > the TTY_CLOSING flag is set. After the patch, tty_open() blocks > on tty_lock() before calling tty_reopen(). AFAICT, this is independent > of O_NONBLOCK.
That would be a bug then. Returning -EIO is fine (if unfriendly). The O_NONBLOCK can't block in this case though because the port could take a long time to give up trying to dribble its bits (up to 30 seconds or so) Alan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
