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author | Ingo Molnar <mingo@kernel.org> | 2018-03-19 20:37:35 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-03-19 20:37:35 +0100 |
commit | 134933e55789ece9bca973d3502c7b8f7a9dae86 (patch) | |
tree | b1694310855e43acb5fceb8b2d55ec8cd713ccad /drivers/tty/n_tty.c | |
parent | 24868367cdcac447232ebcb2aa06e1bf91291586 (diff) | |
parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
download | linux-134933e55789ece9bca973d3502c7b8f7a9dae86.tar.gz linux-134933e55789ece9bca973d3502c7b8f7a9dae86.tar.bz2 linux-134933e55789ece9bca973d3502c7b8f7a9dae86.zip |
Merge tag 'v4.16-rc6' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r-- | drivers/tty/n_tty.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 5c0e59e8fe46..cbe98bc2b998 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2180,6 +2180,12 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, } if (tty_hung_up_p(file)) break; + /* + * Abort readers for ttys which never actually + * get hung up. See __tty_hangup(). + */ + if (test_bit(TTY_HUPPING, &tty->flags)) + break; if (!timeout) break; if (file->f_flags & O_NONBLOCK) { |