summaryrefslogtreecommitdiffstats
path: root/drivers/tty/n_tty.c
diff options
context:
space:
mode:
authorJames Morris <james.morris@microsoft.com>2018-03-23 08:26:16 +1100
committerJames Morris <james.morris@microsoft.com>2018-03-23 08:26:16 +1100
commit5893ed18a26d1f56b97c0290b0cbbc2d49d6de28 (patch)
tree97aa931519fca28a0a12fad7485347198f8267cc /drivers/tty/n_tty.c
parent7bd698b3c04e61ee9e03d4c2a55003f75df14dca (diff)
parentc698ca5278934c0ae32297a8725ced2e27585d7f (diff)
downloadtalos-obmc-linux-5893ed18a26d1f56b97c0290b0cbbc2d49d6de28.tar.gz
talos-obmc-linux-5893ed18a26d1f56b97c0290b0cbbc2d49d6de28.zip
Merge tag 'v4.16-rc6' into next-general
Merge to Linux 4.16-rc6 at the request of Jarkko, for his TPM updates.
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r--drivers/tty/n_tty.c6
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) {
OpenPOWER on IntegriCloud