Hi Li, Thank you for the patch! Yet something to improve:
[auto build test ERROR on tty/tty-testing] [also build test ERROR on v4.20-rc7 next-20181221] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Li-RongQing/tty-fix-race-between-flush_to_ldisc-and-tty_open/20181222-030046 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> ERROR: "tty_ldisc_unlock" [drivers/staging/speakup/speakup.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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