diff options
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, | |||
| 2180 | } | 2180 | } |
| 2181 | if (tty_hung_up_p(file)) | 2181 | if (tty_hung_up_p(file)) |
| 2182 | break; | 2182 | break; |
| 2183 | /* | ||
| 2184 | * Abort readers for ttys which never actually | ||
| 2185 | * get hung up. See __tty_hangup(). | ||
| 2186 | */ | ||
| 2187 | if (test_bit(TTY_HUPPING, &tty->flags)) | ||
| 2188 | break; | ||
| 2183 | if (!timeout) | 2189 | if (!timeout) |
| 2184 | break; | 2190 | break; |
| 2185 | if (file->f_flags & O_NONBLOCK) { | 2191 | if (file->f_flags & O_NONBLOCK) { |